70 mm Bicycle Bottom Brackets
The bottom bracket shell width is the width, in millimeters, of the frame where the bottom bracket is mounted.
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The bottom bracket shell width is the width, in millimeters, of the frame where the bottom bracket is mounted.
Showing 36 products:
The FSA Alloy Cup JIS bottom bracket is suitable for Italian threaded interfaces. Alloy cups Double "snap" seals for water and dirt protection … read more
your price $29.00
BuyPART NUM 731603The FSA Alloy Cup JIS bottom bracket is suitable for Italian threaded interfaces. Alloy cups Double "snap" seals for water and dirt protection … read more
your price $29.00
BuyPART NUM 300562The FSA Alloy Cup JIS bottom bracket is suitable for Italian threaded interfaces. Alloy cups Double "snap" seals for water and dirt protection … read more
your price $29.00
BuyPART NUM 628553The SRAM DUB bottom bracket series has a simple job- to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. … read more
your price $39.00
BuyPART NUM 241296Forged steel body Alloy cups Chromoly spindle Sealed bearings SHIMANO Equivalent BB-UN55 Alloy 290-300g … read more
your price $34.39
BuyPART NUM 270638Shimano BB-5500 Octalink V1 Bottom Brackets Fits Shimano Octalink V1 Spline Cranksets FC-7700/FC-7703/FC-6500/FC-6503/FC-5500/FC-5501/FC-5503/FC-5504 … read more
your price $44.00
BuyPART NUM 585611The FSA Alloy Cup JIS bottom bracket is suitable for Italian threaded interfaces. Alloy cups Double "snap" seals for water and dirt protection … read more
your price $29.00
BuyPART NUM 473779Enduro Italian threaded bottom bracket with stainless steel bearings. 440C stainless steel bearings offer high corrosion resistance for adverse … read more
your price $139.00 + ships free
BuyPART NUM 937764Enduro Italian threaded bottom bracket with stainless steel bearings. 440C stainless steel bearings offer high corrosion resistance for adverse … read more
your price $139.00 + ships free
BuyPART NUM 293821GXP bottom brackets for SRAM and Truvativ GXP integrated spindle cranks Giga X Pipe (GXP)- An external bearing system with 3D forged, heat treated … read more
your price $41.00 + ships free
BuyPART NUM 115460Forged steel body Alloy cups Chromoly spindle Sealed bearings SHIMANO Equivalent BB-UN55 Alloy 290-300g … read more
your price $34.39
BuyPART NUM 852488Forged steel body Alloy cups Chromoly spindle Sealed bearings SHIMANO Equivalent BB-UN55 Alloy 290-300g … read more
your price $34.39
BuyPART NUM 488697Forged steel body Alloy cups Chromoly spindle Sealed bearings SHIMANO Equivalent BB-UN55 70mm ITL … read more
your price $26.99
BuyPART NUM 810600Suitable for all Shimano road cranksets with integrated axle Ø 24 mm Optimized sealing system with reduced friction BSA thread (1,37 x 24 … read more
your price $46.99 + ships free
BuyPART NUM 524536Forged steel body Alloy cups Chromoly spindle Sealed bearings SHIMANO Equivalent BB-UN55 Alloy 290-300g … read more
your price $26.99
BuyPART NUM 590118Save watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime External ITA, Italian … read more
your price $459.00 + ships free
BuyPART NUM 395817New patented extrenal ring seal paired with an internal sleeve seal protects bearings from water and contaminants Provides extremely efficient … read more
your price $33.99
BuyPART NUM 348007Save watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime External ITA, Italian … read more
your price $359.00 + ships free
BuyPART NUM 131341The Shimano BB-RS501 bottom bracket features an enhanced seal construction to provide long-lasting performance and service life. BB Shell Width (mm): … read more
your price $19.99
BuyPART NUM 773745Shimano BB-ES300 Octalink V2 Bottom Brackets Fits Shimano Octalink V2 Spline Cranksets Crankarm fixing bolts not included Item Specifications … read more
your price $14.99
BuyPART NUM 765329"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."
"Incremental enhancements. Perpetual improvements. Revolutionary Innovation. When advancements are continuously made to every attribute of every component, the result is overall performance that is simply second to none. And to real cycling enthusiasts, there is nothing more gratifying then achieving the ultimate ride. And the best part is we just keep making it better. This is what SRAM is all about."
"Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!"
"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
"Upgrading your hubs, bottom brackets and pulleywheels will give you exactly what you need. CeramicSpeed bearings reduce friction, improve power transfer and have greater longevity."
Learn more about CeramicSpeed
"Campagnolo puts all of its professionalism and expertise into the manufacture of its components in Via della Chimica plant in Vicenza. All production takes place exclusively within Campagnolo's own plants, so that product development can be a fully integrated part of the process. Every step in the process, from design and engineering to testing and industrialisation, takes place within Campagnolo facilities. Campagnolo even develops its own tools, machinery and technology so that it can produce only the very best components and wheels for racing bicycles."
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Length
The bottom bracket shell width is the width, in millimeters, of the frame where the bottom bracket is mounted.
Bottom brackets must fit the frames interface type. For example, an english threaded bottom bracket can only be installed on a frame that accepts english threading.
Our Lowest Price - This product is ineligible for additional discounts or rebates.
386 EVO bottom brackets are a variant of PF30. They accept cranks with a 30mm spindle and shell width of 86.5mm.
392 EVO bottom brackets are a variant of PF30. They accept cranks with a 30mm spindle and shell width of 91.5mm.
BB30 / PF30 bottom brackets accept cranks with 30mm spindles and are available in a variety of shell widths.
e*Thirteen P3 connect cranks use a 30mm spindle.
FSA’s MegaExo spindle is 24mm in diameter, uses a “Square Spline”.
The FSA MegaEXO 19 is specific to FSA cranks with a 19mm spindle.
FSA’s MegaExo Light spindle is 24mm in diameter, uses an “Arc Spline,” and is used on K-Force Light, SL-K Light, and the Team Issue cranks.
The Hope BSA30 are english threaded cups for a 30mm spindle.
RaceFace CINCH bottom brackets are for 30mm spindle cranks.
Rotor 3D+ is for 30mm spindle cranks.
Shimano Hollowtech II is Shimano's 24mm spindle standard.
This is an older standard that was used on some Shimano cranks. Some common Octalink V1 cranks models include, XTR (BB-M952), Dura-Ace BB-7700, Ultegra (BB-6500) and 105 (BB-5500).
Some common Octalink V2 cranks models include Deore XT (ES70/71), Deore XL (ES70/71), Deore (ES50/51), FC-M752, FC-M751, FC-M572, FC-M571, FC-M510-8 & FC-M440-8 cranks.
DUB is a SRAM standard, which stands for Durable Unified Bottom bracket. DUB cranks have a 28.99mm spindle.
MegaEVO is a threaded BB that allows you to use a BB392EVO crank on a standard frame with a BSA shell.
RaceFace EXI bottom brackets are for 24mm spindle cranks.
GXP is a SRAM standard. The cranks have a 24mm spindle on the drive side and a 22mm spindle on the non-drive side.
Splined Bottom bracket specific to FSA Power Drive Cranks.
Praxis M30 crank spindle specific 30mm drive bearing/28mm nondrive bearing. Requires M30 socket tool or M30 wrench for installation and removal.
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