Shimano Bicycle Bottom Brackets

About Shimano - "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."

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Shimano UN55 68x113mm Square Taper Bottom Bracket
Shimano UN55 68x113mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

27% offretail $25.99 your price $18.99

BuyBuyPART NUM 257000
Shimano UN55 68x122.5mm Square Taper Bottom Bracket
Shimano UN55 68x122.5mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets JIS taper Hollow spindle Crankarm fixing bolts not included … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

23% offretail $25.99 your price $19.99

BuyBuyPART NUM 963832
Shimano UN55 68x115mm Square Taper Bottom Bracket
Shimano UN55 68x115mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

21% offretail $25.99 your price $20.49

BuyBuyPART NUM 186451
Shimano UN55 73x118mm Square Taper Bottom Bracket
Shimano UN55 73x118mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

27% offretail $25.99 your price $18.99

BuyBuyPART NUM 519436
Shimano UN55 73x113mm Square Taper Bottom Bracket
Shimano UN55 73x113mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

25% offretail $25.99 your price $19.49

BuyBuyPART NUM 386755
Shimano UN55 70x115mm Italian Square Taper Bottom Bracket
Shimano UN55 70x115mm Italian Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

25% offretail $25.99 your price $19.49

BuyBuyPART NUM 134277
Shimano ES51 68x118mm V2 Spline Bottom Bracket
Shimano ES51 68x118mm V2 Spline Bottom BracketShimano

Shimano ES51 Deore LX cartridges and E-type cartridges fit FC-M752/751/M571/M510-8/M440-8 cranks. Fits FC-M752/751/M571/M510-8/M440-8 cranks Item … read more

27% offretail $44.99 your price $32.99

BuyBuyPART NUM 295208
Shimano UN55 68x118mm Square Taper Bottom Bracket
Shimano UN55 68x118mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

27% offretail $25.99 your price $18.99

BuyBuyPART NUM 393717
Shimano UN55 68x110mm Square Taper Bottom Bracket
Shimano UN55 68x110mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

27% offretail $25.99 your price $18.99

BuyBuyPART NUM 287167
Shimano UN55 68x127mm Square Taper Bottom Bracket
Shimano UN55 68x127mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

27% offretail $25.99 your price $18.99

BuyBuyPART NUM 674262
Shimano XT M770 External Bearing BB 68/73mm
Shimano XT M770 External Bearing BB 68/73mmShimano

Shimano XT M770 Bottom Brackets Item Specifications BB Thread Type: English Spindle Interface Type: Hollowtech II BB Shell Width: 68,73mm … read more

17% offretail $34.99 your price $28.99 + ships free

BuyBuyPART NUM 302705
Shimano UN55 68x107mm Square Taper Bottom Bracket
Shimano UN55 68x107mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

25% offretail $25.99 your price $19.49

BuyBuyPART NUM 318571
Shimano UN55 73x122mm Square Taper Bottom Bracket
Shimano UN55 73x122mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

27% offretail $25.99 your price $18.99

BuyBuyPART NUM 274315
Shimano Dura-Ace 9000/9050 English Thread Bottom Bracket
Shimano Dura-Ace 9000/9050 English Thread Bottom BracketShimano

Shimano Dura-Ace BB-9000 Bottom Brackets Includes TL-FC24 adapter tool Reduced size for light weight New seal construction for smoother rotation … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

your price $49.99 + ships free

BuyBuyPART NUM 803018
Shimano UN26 73 x 122.5mm Bottom Bracket
Shimano UN26 73 x 122.5mm Bottom BracketShimano

Shimano UN-26 Bottom Brackets have hollow, square taper JIS spindles. Hollow spindle Does not include crank fixing bolts … read more

your price $13.99

BuyBuyPART NUM 408607
Shimano 105 BB5500 68x118.5mm English V1 Spline BB for Triple cranks
Shimano 105 BB5500 68x118.5mm English V1 Spline BB for Triple cranksShimano

Shimano 105 BB-5500 series bottom brackets have Octalink V1 splines spindles. BB-5500 has a 22mm splined, hollow spindle; fits FC-7700/FC-7703/FC-6500/FC-6503/FC-5500/FC-5501/FC-5503/FC-5504 … read more

22% offretail $59.99 your price $46.99

BuyBuyPART NUM 102746
Shimano UN55 73x110mm Square Taper Bottom Bracket
Shimano UN55 73x110mm Square Taper Bottom BracketShimano

Shimano UN55 Bottom Brackets Hollow spindle Item Specifications Spindle Interface Type: Square Taper JIS … read more

StarStarStarStarStar 4.9 of 5 ( 7 ) 4.9 of 5 stars average ( 7 reviews )

27% offretail $25.99 your price $18.99

BuyBuyPART NUM 908691
Shimano UN26 68x122.5mm Bottom Bracket
Shimano UN26 68x122.5mm Bottom BracketShimano

Shimano UN-26 Bottom Brackets have hollow, square taper JIS spindles. Hollow spindle Does not include crank fixing bolts … read more

your price $12.99

BuyBuyPART NUM 367989
Shimano Ultegra BBR60 English Bottom Bracket
Shimano Ultegra BBR60 English Bottom BracketShimano

Shimano Ultegra BBR60 Hollowtech II Bottom Brackets TL-FC25 Installation adaptor included Reduced size for light weight Item Specifications Weight: … read more

your price $34.99 + ships free

BuyBuyPART NUM 479920
Shimano UN26 68x110mm Bottom Bracket
Shimano UN26 68x110mm Bottom BracketShimano

Shimano UN-26 Bottom Brackets have hollow, square taper JIS spindles. Hollow spindle Does not include crank fixing bolts … read more

your price $12.99

BuyBuyPART NUM 533602
Shimano

"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."

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In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.

These models are available for online purchasing and can be shipped directly to you.

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.

The spindle interface type must match with the crank arms.

Buy this product and your entire order ships for free.

Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.