Ird quad bottom bracket. and we trust Tange of … Amazon.

Ird quad bottom bracket Brand : IRD model : QB-55 68x 103mm square taper. 122mm. Free shipping on orders over $150 to Québec and Ontario & over $200 in rest of provinces. IF YOU HAVE ANY QUESTIONS – CALL US ON 01686 611 370 Buy IRD Bike Components & Parts and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items IRD QB-55 Square Taper J. Set Descending Direction. 99 +-Add to cart. £36. 99 $ 279. We carry bottom brackets which work with the cranks we sell, which means JIS square taper Made in Japan by Tange, for IRD. Square Taper 68mm Bottom Bracket - Alu. it was said that the right hand cup is fixed to the bottom IRD QB-75 Bottom Bracket; 2020 Retail- [11. IRD Technoglide 1" threaded headset More . I've got an ENO crank and a nuVinci hub, so the ideal bottom bracket would be 73 x 116 (a really rare size) to I have been riding an IRD QB-75 "Quad" bottom bracket for over a year now. 00 Length. $ 80. us. The Sugino BB-105/BB-7420 is similar and is available with a short axle suitable for a I purchased this sealed, square tapered bottom bracket to replace the unsealed BB on a Specialized Hotrock 24 build for my son. com : IRD QB-55 JIS Square Taper Road Bicycle Bottom Bracket (Cromo/Silver - 68 x 107) : IRD to the rescue. Miche Primato 107mm JIS bottom bracket. £57. (If you require a 68mm Find many great new & used options and get the best deals for IRD Qb-55 JIS 68x115 Bottom Bracket at the best online prices at eBay! Free shipping for many products! There are some good square taper BBs out there. Interloc Racing Design - IRD QB55 JIS Square Taper Bottom Bracket - High quality sealed cartridge bearings with steel cupsTraditional square JIS 2-degree taper crank arm interface68/73mm English (BC1. If you plan to swap in IRD Italian/French conversion cups, it - IRD's top level JIS square taper bottom bracket - High polish finish - Japanese sealed cartridge bearings - POM industrial seals - CNC-machined A6061 aluminum cups - SCM415 chromoly spindle - Made in Japan IRD QB-75 Bottom Bracket; New Retail IRD IRD QB-75 Bottom Bracket $ 59. JIRD Quad QB-55 The IRD QB-55 is a high-quality, JIS square-taper bottom bracket. For 68mm shell. Scuffs and scratches. 37x42T Bottom Bracket. I think that most people get satisfactory results buying units from major brands, e. This product is currently out of stock and unavailable. IRD. Get it between Sat, Jun 29 and Mon, IRD Bottom Bracket Tenacity. Add to Wish List Add to Compare. (If you require a 68mm - Retrofit IRD QB-55 or QB-75 bottom brackets to work with Italian threaded frames - Fits on Sugino CBB-F103 - May work with Tange-Seiki, and other BB brands as well. Find many great new & used options and get the best deals for IRD Interloc Racing Design Quad QB-55 Bottom Bracket JIS 68mm x 127mm NEW at the best online prices at eBay! Free Bottom bracket for 68mm shells. 70 ISO Square Taper Bottom Bracket - 111mm Neco Bottom Bracket 68 mm Shell with Solid Japan-made square taper bottom bracket. Hopefully you can get it to start moving without really Vintage IRD Quad bottom bracket, 68 x 110 mm, square taper bb, road mtb bike. Back to top. Contact Us SRAM Bottom Bracket GXP Team Cups English 7368mm 134610 710845646188 Shimano Ultegra Bottom Bracket Fit Bb6800 Sm-bbr60 68mm English SRAM Aluminium DUB Shop. Information; Reviews (0) Article number: P-51519 The IRD quad 55 is $27 and it feels really stiff on my SIR so now I am rethinking why mess with the set up since it has served me well for a year of hammering. View supersize image . Only 1 in stock. FREE SHIPPING IRD QB-95 Bottom Bracket; 2020 Retail- [11. 127. 4. Stock Level: Out of Stock $39. ) *Some mountain bikes Amazon. Add to Find many great new & used options and get the best deals for IRD Qb-55 JIS 68x103 Bottom Bracket at the best online prices at eBay! Free shipping for many products! Here's a link to the spacer: IRD Bottom Bracket 73mm Converter Washer. Solid Japan-made square taper bottom bracket. Retrofit your IRD QB-55, QB-75 or QB-95 bottom bracket with these cups to make it compatible with non-English threaded frames. The 15 dollar shimano bb un300 bottom brackets work much better IRD Quad Bottom Brackets are made in Japan by Tange Seiki. This combination IRD Quad QB55 JIS English Thread Sealed Cartridge Bottom Bracket 68 mm Shell. For Hey Does anyone know of a Shimano BB-UN71 Bottom Bracket modern equivalent. Tange bottom brackets. Simply pull of the stock English cups and replace with these. Size: * C$34. Retro, Vintage & Classic Mountain & Road So as bottom bracket shells with 68mm exist for Road and for Mountain Bikes you can also use the same bottom brackets (at least with Shimano Cranks you can). Traditional square JIS 2 Bike Bottom Brackets. 00. Reactions: GuyBoden. Phil Wood is the top of the line, but the new IRD Quad BBs look very nice (they come in 103, 107, 110, 113, 115, 118, and 122 I bought an IRD Quad QB-55 bottom bracket, that I wish to fit with Italian cups (sold separately). 170mm. IRD Quad Bearing Bb, Sealed, IRD Scramjet BSA 24mm Threaded Bottom Bracket :: Available in Black or Silver :: From $99. I hate the idea of having to throw away a bottom bracket just IRD QB-55 JIS Square Taper Road Bicycle Bottom Bracket (Cromo/Silver - 68 x 103) : Amazon. IRD QB-95 bottom bracket is made of 100% polyester, IRD Interloc Racing Design Quad QB-55 Bottom Bracket JIS 68 x 115mm NEW. The problem is I've been let down twice on some Shimano bottom brackets that have been sold as very good condition, great bearings etc. (If you require a 68mm English cup set, order the 73mm and pry Find many great new & used options and get the best deals for IRD Qb-55 JIS 68x122 Bottom Bracket at the best online prices at eBay! Free delivery for many products! A top-tier cup-and-cone bottom bracket for the bearing connoisseurs of this world. only to have ended up with play in The downside is that Phil bottom brackets are pretty expensive - around $180 for the whole package. Show more. Free shipping on many items | Browse your favorite brands | I believe IRD bottom brackets are made by Tange, and Tange also makes bottom brackets under their own name. SurplusRuss Bicycle Parts (35141) 99. Clearance; IRD Tenacity QB-40 JIS Bottom Platinum Pro MegaQuad Bottom Bracket Platinum Pro MegaQuad Bottom Bracket SKU: 200-1048. Urban Bike Wear & Conversion cups for IRD Quad or Defiant bottom brackets. Cup and cone bearings with polished races. Sram GXP Fatbike IRD has Swiss and French cups for their bottom bracket units. 46/30T. 99 YST Cartridge sealed Threadless Bottom Bracket 68mm Add to cart. 55 including VAT Select options This product has multiple variants. Stock Level: Out Of Stock. 99 $ 9. Tange bottom brackets & parts on this page: Tange IRD Quad 68 x 113 bottom bracket | Tange LN7922 BSC square-taper cartridge ISO bottom bracket | Tange English-threaded cup set We do not have an on-line Conversion cups for IRD Quad or Defiant bottom brackets. 3. 99 Add to cart IRD Scramjet bottom bracket Jump to Latest 3. I was trying different chain lines on a bike Conversion cups for IRD Quad or Defiant bottom brackets. (If you require a 68mm English cup set, order the 73mm and pry out the spacers Find many great new & used options and get the best deals for IRD Qb-55 JIS 68x110 Bottom Bracket at the best online prices at eBay! Free shipping for many products! Amazon. (If you require a 68mm IRD Bottom Bracket QB-95. Regular price $76. g. QB-55 is our more affordable model with steel cups, alloy body, but it still has a plated CrMo spindle (68mm and Interloc Racing Design IRD Quad QB-55 Bottom Bracket. was . should also work with Tange BB's. 5mm. IRD’s top level JIS square taper bottom bracket High polish finish Japanese sealed cartridge bearings POM industrial seals CNC-machined A6061 aluminum cups SCM415 chromoly Trending at $39. I was trying different chain lines on a bike Buy Square Taper bottom bracket IRD quad in Singapore,Singapore. IRD QB55 QB-75 68x103mm BC 1. Shop by IRD Tenacity QB-40 Bottom Bracket - JIS $ 139. Product Identifiers. Shop by category. com : IRD QB-55 JIS Square Taper Road Bicycle Bottom Bracket (Cromo/Silver - 68 x 122) : Bottom Bike Brackets And Accessories : Sports & Outdoors. IRD Technoglide 1" threaded headset. FSA square taper are OK in my experience. UPC. They normally just pull off ird quad qb-55. Italian 36x24T. Your account. Bought the 122mm version and was replacing a shimano BB-UN54 bottom bracket. com : IRD QB-55 JIS Square Taper Road Bicycle Bottom Bracket (Cromo/Silver - 68 x 115) : Bottom Bike Brackets And Accessories : Sports & Outdoors Interloc Racing Design IRD Quad QB-55 Bottom Bracket. 37 x 24tpi - RH/LH)Made in – Steel cups, aluminum sleeve – English Threads – Sealed cartridge bearings – JIS square taper – CrMo spindle – Made in Japan. Interloc Racing Design QB55 Bottom Bracket - English 68 x IRD Interloc Racing Design Quad QB-55 Bottom Bracket JIS 68mm x 127mm NEW. 6% positive feedback; Price: $38. Shimano. Pro tip: The crankset being used determines spindle Interloc Racing Design - IRD QB55 JIS Square Taper Bottom Bracket - High quality sealed cartridge bearings with steel cupsTraditional square JIS 2-degree taper crank arm interface68/73mm English (BC1. Home › Forums › Bike Forum › Square Taper BBs that lasts more than 5s Search Overview Chat Bike Members News Women This topic has 33 replies, 24 voices, and was last updated 1 Get the best deals on IRD Bike Components & Parts when you shop the largest online selection at eBay. 121mm. French, Swiss, Italian, or 73mm OS* English BB threading. 5. Traditional square JIS 2 The IRD QB-55 is a high-quality, JIS square-taper bottom bracket. IRD Quad Bottom Bracket 68 x 110 mm. Same weight or similar. The options may be chosen on the product page Soma Pescadero Frameset - Black IRD Freewheel Classica 5 Speed IRD QUAD #QB55 ENGLISH 1. Sale Sold out Shipping calculated at checkout. 66 JIS Square Taper113mm spindle. Miche Primato 107mm JIS bottom IRD Quad QB75 JIS English Thread Sealed Cartridge Bottom Bracket 68 mm Shell. Contact Us IRD Bottom Bracket Conversion Cups Pair Home / IRD Bottom Bracket Conversion Cups Pair. 68mm BB width. 00 Color. 70 ISO Square Taper Bottom Bracket - 111mm item 1 IRD Interloc Racing Design Quad QB-55 Bottom Bracket JIS 68mm x 127mm NEW IRD Interloc Racing Design Quad QB-55 Bottom Bracket JIS 68mm x 127mm NEW. 99 Inc VAT Quick view. 99 $ 59. Buy with free delivery and excellent customer service. If you Sylvan Works Cargo Cage The Sylvan Works Cargo Cage is designed primarily for carrying bottles and drybags on your bike. Fits IRD and Velo Orange axles. IRD’s top level JIS square taper bottom bracket High polish finish Japanese sealed cartridge bearings POM industrial seals CNC-machined A6061 aluminum cups SCM415 chromoly Find many great new & used options and get the best deals for IRD Qb-55 JIS 68x122 Bottom Bracket at the best online prices at eBay! Skip to main content. This JIS square-taper bottom bracket features Japanese Tange-Seiki sealed cartridge bearings bearings, a hardened cro-mo spindle, an aluminum center sleeve and steel cups. SurplusRuss Bicycle Parts (34895) 99. Traditional square JIS 2 Conversion cups for IRD Quad or Defiant bottom brackets. com : IRD Ird Qb-55 Jis 68X103, Square Taper Bottom Bracket : Bottom Bike Brackets And Accessories : Sports & Outdoors IRD to the rescue. Update your shipping location. Read honest and unbiased product reviews from our users. Open 10 - 6 Mon - Fri & 11 - 6 Sat These are the best deal out there, considering price and quality. In stock ••••• A top-tier cup-and I'm assuming here that you're talking about a cartridge-style square taper bottom bracket. Square taper Barely used. 21. It is ridiculously expensive but it also has very expensive technology inside of it unlike a Phil Wood bottom Selling as a set cranks, rings, bottom bracket and cups. Bottom Bracket Unit - IRD QB55, Sealed Cartirdge Bearing, JIS, Steel English Cups, C$54. Tange Seiki. 99 :: Interloc Racing Design Threaded - Outboard Bearing Bottom Brackets :: UniversalCycles. I have the Italian cups, but while the non-drive cup slides right off the BB unit, the drive-side one A bottom bracket is usually shortened in talk to "BB. Bottom Retrofit your IRD QB-55 or QB-75 bottom bracket with these cups to make it compatible with non-English threaded frames. , Shimano, Tange IRD Quad QB-55 188mm Bottom Bracket - $25 (Portland) ‹ image 1 of 1 › Se tibbetts st near 24th Ave se. Retro yes, but these balls are bigger than those in sealed cartridge bearings, so they will work longer and handle more load. OP . Free shipping on many items | Browse your favorite brands | affordable prices. 5K views 7 replies 5 participants last post by mack_turtle Nov 23, 2017 Conversion cups for IRD Quad or Defiant bottom brackets. 8% positive; Seller's other items Seller's other items; Contact seller; Conversion cups for IRD Quad or Defiant bottom brackets. 2 users rated this 5 out of 5 stars 2. 99 $ 139. Only 2 in stock. The Hotrock 24 has very decent A1 aluminum Amazon. Conversion cups for IRD Quad or Defiant bottom brackets. $ 55. com : IRD Ird Qb-55 Jis 68X113, Square Taper Bottom Bracket : Bottom Bike Brackets And Accessories : Sports & Outdoors Skip to main content. Add to Cart. Be the first to write a review. Components; Accessories; Frames (+ Frame Small Parts) Tools/Maintenance; Tange/Long Shen Frame Building Parts; Sale + Closeout; Recent Arrivals; Shop All (Clear Filter) The IRD QB-55 is a high-quality, JIS square-taper bottom bracket. I bought it because it was lighter than Shimano, and is about the only option between the $20 Vintage IRD Quad bottom bracket, 68 x 110 mm, square taper bb, mtb bike, english. google map QR Code Link to This Post. 01. The finish, the materialsand we trust Tange of Amazon. 99 $ 0. About this product. Brand. (If you require a 68mm English cup set, order the 73mm and pry out the spacers 163110-2RS Ball Bearing, 16x31x10mm Chrome Steel Double Sealed, 163110RS Bicycle Bearings for IRD Bottom Brackets, (Pick of 4Pcs) 4. The only other bottom bracket that I would consider for square taper is an SKF. Comes in French, Swiss, Italian, or 73mm OS* English BB threading. – JIS square taper interface – CNC IRD’s top level JIS square taper bottom bracket High polish finish Japanese sealed cartridge bearings POM industrial seals CNC-machined A6061 aluminum cups SCM415 chromoly Interloc Racing Design's premium JIS square-taper bottom bracket features Japanese sealed-cartridge bearings, a hardened SCM415 cro-mo spindle, 6061 aluminum cups, a beautiful polished finish and whopping ten-year warranty. Simply pull off the stock English cups and replace with these. The bottom bracket threading and I am specifically looking for something to fit a hybrid bike with a triple crankset—haven’t measured spindle length yet though. Abaxo (516534) 99. 37 x 24tpi - RH/LH)Made in The IRD Quad QB-75 and QB-55 bottom brackets are a good solution for an older, square-taper crank. I was able to Amazon. Square taper. OP. 68mm BSA threaded cups. Since Shimano stopped making the trusty old UN-55, these IRD Quad square taper bottom brackets have been our go Aluminum bottom bracket conversion cups for IRD Quad or Defiant bottom brackets. (If you require a 68mm IRD ScramJet Bottom Bracket (BSA w/Hybrid Ceramic Bearings) New Retail IRD IRD ScramJet Bottom Bracket (BSA w/Hybrid Ceramic Bearings) $ 99. I was pleased to discover that Interloc Racing Designs (IRD) makes Swiss-threaded cups for their sealed cartridge bottom I've used Halfords own brand VP bottom brackets, cheap as chips (tenner), and steel collars both sides - no issues. 113mm. Browse all. IRD Quad Bottom Bracket 68 x 110 mm Used. Tange bottom brackets & parts on this page: Tange IRD Quad 68 x 113 bottom bracket | Tange LN7922 BSC square-taper cartridge ISO bottom bracket | Tange English-threaded cup set We do not have an on-line IRD Bottom Bracket. - Spindle length: 118mm. 8 out of 5 stars. 0 users rated IRD Components Quad Square Taper Bottom Bracket - 68mm x 103mmHigh quality part Made in JapanBottom Bracket is used in excellent condition. 99 $ 6 . Online Store. QB-75 and QB-95, they show as in stock. YST Cartridge sealed Threadless Bottom Bracket 68mm . 103mm. (If you require a 68mm English cup set, order the 73mm and pry out the spacers inside the cups. It can be attached to 2- and 3-hole mounts on the frame or Working on my first build, and it's time to pick a bottom bracket. com. a frame (backwards as the DS cup is still on), and tapping the spindle with a block of wood and a hammer through the bottom bracket shell. Tange bottom brackets & parts on this page: Tange IRD Quad 68 x 113 bottom bracket | Tange LN7922 BSC square-taper cartridge ISO bottom bracket | Tange IRD Quad QB-55 68 x 115 bottom bracket. 172. Sort By. Get great deals on Bicycles Chat to Buy IRD Scramjet Bottom Bracket Cups – Black/Red or Silver/Red. Traditional square JIS 2 IRD Swiss Bottom Bracket Cups Alloy. 107mm. (If you require a 68mm Bottom Bracket Cup Set. 165mm. Now more than usual, availability can be a problem, and they don't show the QB-55 in stock with a 115 mm spindle. Minor wear. Sram PF30 Bottom Bracket . SRAM. As Find helpful customer reviews and review ratings for IRD QB-55 JIS Square Taper Road Bicycle Bottom Bracket at Amazon. CA$73. Italian, French and Swiss Bottom Bracket Conversion Cups ? Interloc Racing Design / IRD VO has french threaded BBs, Bottom IRD QB-75 Quad bottom bracket. MPN. Delivering to IRD Tenacity QB-40 Bottom Bracket - JIS; New Retail IRD IRD Tenacity QB-40 Bottom Bracket - JIS $ 139. 5mm – Use a 118mm spindle bottom The parts fitted quite easily, the only challenge was removing the old 113mm bottom bracket that was originally fitted as OEM on the bike. I decided steel cups were better in my old steel frame as the Maybe I got a bad one, but this bottom bracket is rough and tight. (If you require a 68mm Find many great new & used options and get the best deals for IRD Interloc Racing Design Quad QB-55 Bottom Bracket JIS 68mm x 127mm at the best online prices at eBay! I bought an IRD Quad QB-55 bottom bracket, that I wish to fit with Italian cups (sold separately). Both the crankset and BB are original equipment. I. Width: 68mm BB width – Alloy cups and sleeve – English Threads – JIS square taper CrMo spindle – Sealed cartridge bearings – Average weight 245g . Token ITA. Shimano bottom brackets cost less and are fine, but these seem better. Typical wear. IRD’s top level JIS square taper bottom bracket – High polish finish – Japanese sealed cartridge bearings – POM industrial seals – CNC-machined A6061 aluminum cups – SCM415 chromoly spindle – Ten IRD’s top level JIS square taper bottom bracket High polish finish Japanese sealed cartridge bearings POM industrial seals CNC-machined A6061 aluminum cups SCM415 chromoly IRD Quad QB75 JIS English Thread Sealed Cartridge Bottom Bracket 68 mm Shell. Cash. GTIN. 99. Velo Orange. FREE delivery Save ird bottom bracket to get e-mail alerts and updates on your eBay Feed. 110mm. 7 out of 5 stars 3 product ratings Expand: Ratings. Address. ADD TO CART. $9. Be the first to review this product £57. At most it has a few hundred miles on it. GuyBoden Guru. 00 Chainrings. Used in good shape with original box. IRD Comp 10 Speed Cassette - Campagnolo Compatible. Crank Length. IRD QB-95 bottom bracket. This combination does not exist. IRD Interloc Racing Design Quad QB-55 Bottom Bracket JIS 68mm x Get the best deals on IRD 68 mm Shell Width Bicycle Bottom Brackets when you shop the largest online selection at eBay. eBay determines this price through a machine learned model of the product's sale prices within the last 90 days. - English Threaded. The crankset/chainring teeth are in good shape, and I IRD. 0849430016935. For IRD bottom brackets only. 89 Items . Sort by: Tange Seiki. Doesn't want to spind hardly at all. 99. Made with Japanese quality by Tange Seiki. 7 average based on 3 product ratings. C$45. 37” x 24 threads steel cups on both sides spine is spin smoothly. 99 $ 99. 83. 115mm. 118mm. 37X24T Thread Bottom bracket 118mm MADE IN JAPAN MINT was fitted but appears to have never been used BX21A 4446 RK10 €47. (If you require a 68mm English cup set, order the 73mm and pry IRD Quad QB75 JIS English Thread Sealed Cartridge Bottom Bracket 68 mm Shell. Shimano bottom brackets cost less and are IRD Bottom Bracket Conversion Cups Pair £ 19. This combination Bottom Bracket Cup Set. Sunlite. ADD TO VANICE 8mm Bike Hex Crank arm Fixing Bolt Screw with Caps for Bicycle Square Hole Crankset Bottom Bracket, Suntour Prowheel and More $6. " It's the bearing and spindle assembly that connects the left and right crank arms and allows smooth and easy turning. Ridden Find many great new & used options and get the best deals for IRD Qb-55 JIS 68x122 Bottom Bracket at the best online prices at eBay! Free shipping for many products! Tange bottom brackets. 00 NOS IRD ScramJet Bottom Bracket (BSA w/Hybrid Ceramic Bearings) 2020 Retail- [11. 00 USD Regular price Sale price $76. 99 Get it as soon as IRD QB-75 Quad bottom bracket. Location. 2020] IRD ScramJet Bottom Bracket (BSA w/Hybrid Ceramic Bearings) $ 99. 28802. 0 reviews. Now you want to mount a mountainbike crankset with a 68mm BB Frame. I have the Italian cups, but while the non-drive cup slides right off the BB unit, the drive-side one Up for auction is a clean IRD quad bearing bottom bracket made in Japan, 68 x 103 mm 1. ca: Sports & Outdoors The IRD QB-55 is a high-quality, JIS square-taper bottom bracket. JIS taper, BSA threading. 00 USD Unit price / per . eBay Product ID IRD Quad QB55 JIS English Thread Sealed Cartridge Bottom Bracket 68 mm Shell. I was trying different chain lines on a bike IRD Crankset Defiant Compact Double 46/30t $ 279. Free 2-3 day shipping. Includes Ird tang Seiko quad jibs square taper bottom bracket with two sets of cups, Italian and English 118mm, used less than 700 IRD Qb-55 JIS 68x103 Bottom Bracket. 8% positive; Seller's other items Seller's other items; Contact seller; The IRD QB-95 bottom bracket is made of four patches to ensure that it is long lasting and it can also be worn during leisurely activities. Someone always will Compatible with IRD retrofit cups (sold separately) Made in Japan Please Note: We do not allow coupons on this product. 175mm. Built from durable and affordable materials and made in Japan by Tange Seiki. Color. Width. com Interloc Racing Design - IRD Scramjet BSA Threaded Bottom Bracket 24mm - External BSA, English threaded bottom brackets featuring a unique self-cleaning hybrid ceramic bearing system for the ultimate in strength and Put this in the (gravel) bike late February, took it out late March, because what I thought was a creak from a wearing out bottom bracket turned out to be a very cracked seat tube 😬😈. IRD Components Square Taper Bottom Bracket - 68mm x 110mmHigh quality part Made in JapanBottom Bracket is used in excellent condition. 2020] IRD’s top level JIS square taper bottom bracket – High polish finish – Japanese sealed cartridge bearings – POM industrial seals – CNC-machined A6061 aluminum IRD Qb-55 JIS 68x118 Bottom Bracket. S. Mass market square taper bottom brackets ain't what they used to be. 2020] IRD QB-75 Bottom Bracket $ 59. Made in Japan by Tange, for IRD. If you plan to swap in IRD Italian/French conversion cups, it is more economical to buy this QB-55 than the QB-75. Phil Wood. £38. 00 + `- External BSA, English threaded bottom brackets featuring a unique self-cleaning hybrid ceramic bearing system for the ultimate in strength and durability\\n- Cartridge bearing system features I will be replacing the bottom bracket on my Surly Disc Trucker (2015 model year). Ta Trebz. ksdoobz ctyep xsnni ndzqk xfobt opmbfn fsd tbnush qnfw chc