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Bottom Brackets

CeramicSpeed Bottom Bracket - External BSA Road / 24mm (Shimano)
BSA is another way of stating English threading; it comes from British Standard Cycle. English threading on road bikes mean a 68mm wide, 34mm inside diameter shell with reverse threading on the drive side. It’s the most common threaded standard employed today. This kit works with 24mm diameter thru-axle cranks, found on Shimano, FSA, Rotor, among others. Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened-steel races and our Ceramic balls. Coated Bearings have those same balls installed on coated, hardened-steel races for longer life and less bearing drag.
Shimano Botton Bracket UN300 English 68 X 122.5
$15.00 $29.99 50% Off
Shimano BB-UN300 Square Spindle Bottom Brackets Fits JIS square-taper cranksets Crankarm fixing bolts sold separately Hollow spindle 47.5mm chainline
Shimano Ultegra Bottom Bracket
$19.50 $38.99 50% Off
Shimano's Ultegra bottom bracket uses Pro Tour-proven technology for lighter weight and super smooth spinning, while still maintaining the same level of durability and stiffness. It's available in English, Italian, or Press Fit models.
Shimano BB-ES51 Octalink V2 Bottom Bracket
$23.00 $45.99 50% Off
Shimano BB-ES51 Octalink V2 Bottom Brackets - Fits Shimano Octalink V2 Spline Cranksets - Crankarm fixing bolts not included
SRAM BB30 PressFit Bottom Bracket Assembly
$24.50 $49.00 50% Off
Get more distance out of every pedal stroke with SRAM's phenomenal BB30 PressFit Bottom Bracket Assembly. It features Gutter Seal technology to keep dirt out and everything spinning smoothly. Plus, it presses directly into your frame's 46mm-wide BB30 bottom bracket shell for reduced weight and increased longevity.
Shimano Dura-Ace R9100 Hollowtech II Bottom Bracket
$25.00 $49.99 50% Off
Shimano Dura-Ace BB92, BB9000 Hollowtech II Bottom Brackets - Bottom Bracket Shell I.D.: 1.37" - Defined Color: Black - Weight: 65 g - Spindle Interface Type: Shimano Hollowtech II
SRAM PressFit 30 Bottom Bracket
$27.00 $54.00 50% Off
SRAM saw the opportunity to make a better press fit system where all the best from BB30 and PressFit bottom brackets would be combined into one captivating package. Pressfit 30 will feature an integrated seal, pre-assembled into the cups, to further prolong bearing life. The key difference with Pressfit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. This bottom bracket is designed for 30mm spindle cranksets. Frames will need a 46mm inner-diameter bottom bracket shell to accommodate this system. Pressfit 30 for road will require a 68mm wide shell while Pressfit 30 for MTB will require a 73mm wide shell. - Easy installation - PressFit cups for lighter weight - Narrow Q-factor and more ankle clearance - Integrated gutter seal to prolong life - Integrated adjuster - 30mm spindle diameter
Praxis Works BB/PF30 Conversion BB Shimano 73MM MTB
$37.50 $74.99 50% Off
Part Type Bottom Bracket MPN: 73-3001 Compatible Bike Type: Mountain Bike Shell Width: 73 mm Set Includes: Bottom Bracket Brand: Praxis Works Bottom Bracket Shell Type: BB30 Spindle Type: Hollowtech II
Wheels Manufacturing BB30 Outboard ABEC-3 BB
$59.33 $118.65 50% Off
The Wheels Mfg BB30 Outboard bottom bracket will give you all of the same benefits as their other Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in BB30 frames without the need for adapters. - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: BB30, Specialized Alloy OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 42mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 130g
Praxis Works ConversionBB30/PF30 Shimano 68MM Road
$74.99 $84.99 12% Off
The Praxis Works Shimano Road BB Conv is Designed to be a proper BB for installing Shimano Hollowtech II steel spindle cranks in either BB30, PF30, or Specialized's OSBB frames. Praxis Works' new patent pending Rubber Collet design keeps the cartridge bearings outboard of the frame right on Shimano spec for greater rigidity and free of frame/c-clip tolerance issues that other systems deal with.Features: Updated Rubber expanding Collet design | Patented Pending "Rubber Collet" drive cup expansion for wiggle-free press Non-Drive O-Ring compensates for frame width discrepancies This BB is for Shimano Hollowtech II steel spindle road cranks only Designed precisely to Shimano bearing stance & chain line spec Forged & machined heat-treated 7075 T6 Aluminum
SRAM BB30 Bottom Bracket Assembly w/Ceramic Bearings
$113.50 $227.00 50% Off
Get more distance out of every pedal stroke with SRAM's phenomenal BB30 Bottom Bracket Assembly. It features ceramic bearings that drastically reduce drag on the crankset, meaning more of your power turns into forward momentum. Plus, it presses directly into your frame's BB30 bottom bracket shell for reduced weight and increased longevity.
FSA MegaExo Ceramic Cartridge BB Road Italian 70MM
$122.50 $244.99 50% Off
60% Lighter than steel No Oxidation Better Surface Finish Less Heat Development Increased Rigidity Less Vibration No Galvanic Current
CeramicSpeed Bottom Bracket BB90 (Trek) SRAM 24/22.2mm (GXP)
$164.50 $329.00 50% Off
Trek developed their own bb standard to optimize their frame designs. BB90 has a 90.5mm shell width and 37mm inner diameter and is designed so that the bearings of external cups can hide within the frame.. The CeramicSpeed kit comes as two bearings, which are then pressed into the frame. Those two bearings consist of either CeramicSpeed Standard or Coated Bearings. Both feature super smooth, super round CeramicSpeed balls rotating in hardened-steel races. The Coated version has a metallic coating laid onto the races, making it even smoother and harder, resulting in longer life and lower drag.
CeramicSpeed BB30 Bottom Bracket for SRAM GXP
$179.50 $359.00 50% Off
When you want to install SRAM or Quarq's 24/22mm-diameter crank into a bottom bracket shell measuring 68mm wide and 42mm in diameter, you need CeramicSpeed's BB30 SRAM GXP bottom bracket. The CeramicSpeed bearings are hand-assembled and installed into aluminum cups that thread together for quiet durability without adapters. There are two bearing options. The first choice is our low drag, long life Standard Bearing, with hardened-steel races and our super-round CeramicSpeed balls. The second choice is our Coated Bearing, which uses those same balls installed on coated, hardened-steel races for longer life and less bearing drag. SRAM's step-down 24/22mm diameter crank spindle is found on SRAM and Quarq cranks. This kit makes it easy to install those cranks into your BB30 frame. Bottom brackets deal with lots of force. Our ceramic bearings and hardened-steel races are stiff and efficient. CeramicSpeed Standard Bearings produce only 0.3-0.4 watts of drag per set. The bearings are in the range of a 75% reduction of drag compared to stock offerings. They also last at least three times longer than other bearings. Coated Bearings put even more of your power into driving forward. The coated races see a 50% drag reduction and an improvement in bearing life of 60%. The grease packed with the bearings can tune performance. All Round Grease comes installed, but can be changed for lower drag TT and Track Grease, or higher durability LongLife Grease, which adds a bit of drag but stays in the bearing when riding through messy conditions. In The Box - Bottom bracket with bearings installed - 2 dust covers - 1mm spacer - 0.5mm spacer - GXP wave washer - 10ml syringe of CeramicSpeed All Round Grease - Sticker sheet
CeramicSpeed BBright Bottom Bracket SRAM GXP RED
$179.50 $359.00 50% Off
A bottom bracket that offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Bb Shell Width (Mm) - 79 Bb/Frame Interface - BBright - Press Fit Bottom Bracket Shell I.D. - 1.3 Spindle Interface Type - SRAM/Truvativ GXP
CeramicSpeed BBright Bottom Bracket for SRAM GXP
$179.50 $359.00 50% Off
BBright is the Cervelo bottom bracket standard, found on most of their frames, save the P5. In order to fit 24/22mm-spindle SRAM and Quarq cranks into this oversized shell, this bottom bracket, complete with CeramicSpeed Bearings, needs to be pressed in. The BBright bottom bracket comes with either CeramicSpeed Standard or Coated Bearings installed. Super smooth, super-round CeramicSpeed Balls contained in hardened-steel races are found on both versions. The Coated version has a metallic coating laid onto the races, making it even smoother and harder, resulting in lower drag and longer life. BBright is similar to BB30, but is wider on the non-drive side. As such, the bottom bracket for running 24/22mm-spindle SRAM and Quarq cranks, is unique. The CeramicSpeed Standard Bearings last at least three times longer than other bearings. Thanks goes to hardened-steel races and CeramicSpeed Balls that are 100% smoother and 15% harder than the ceramic competition. These have a frictional drag of 0.3-0.4 watts per set, which represents an average 75% drag reduction compared to most BBs. The CeramicSpeed Coated Bearings reduce drag by 50% compared to CeramicSpeed Standard Bearings and an improvement in bearing life of 60%. In The Box - 1 bottom bracket with bearings installed - 2 dust covers - 10ml syringe of All Round Grease - Sticker sheet
CeramicSpeed PF4630 Bottom Bracket - Specialized OSBB / BB30
$179.50 $359.00 50% Off
OSBB is the acronym for Specialized’s OverSized Bottom Bracket. It features a 46mm diameter and 61mm width shell. As it is unique, it requires a unique bottom bracket to mate BB30 cranks to it. The cups come installed with one of two CeramicSpeed bearings. The Standard Bearing has ceramic CS balls and hardened-steel races. The Coated Bearing has the same balls running on hardened-steel races with a 3-micron thick metallic coating making the races harder and smoother, increasing service life and reducing friction.
CeramicSpeed Press-fit Bottom Bracket - PF30 / 24/22.2mm (SRAM - GXP)
$179.50 - $229.50 $359.00 - $459.00 50% Off
PF30 road bottom bracket shells are 68mm wide like BB30, but have a greater diameter, 46mm, so that bearings in cups can fit inside the shell. This kit contains all the parts you need to install a Quarq or SRAM 24/22mm spindle crank in a BB30 road or cyclocross bike. The bundle comes with two cups and CeramicSpeed bearings installed. There are two choices. Standard and Coated. The both possess super smooth CeramicSpeed balls fitted in hardened-steel races. The Coated have an additional feature: a 3-micron thick metallic layer over the races. This addition makes the races smoother and harder, lowering drag and increasing life.
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