Top 10 Square Taper Bottom Bracket UK – Bottom Brackets for Bikes

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1. SHIMANO

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Spindle: 122.5MM LL123, EBBUN300C23X, SHIMANO Square Type Bicycle Bottom Bracket, BSA 73MM

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SHIMANO #ad - Cartridge bottom bracket set, bb-un300, 48. 8mm chainline. Shimano quality/performance cartridge bearing square bottom bracket. Better chainline stability with chain line stabilizer. Adapter material: Aluminum. 3 structures available // Standard, E-type, chain case options.
BrandSHIMANO #ad
ManufacturerShimano Cycling #ad
Height1.91
Length5.39
Weight0.23 kg (0.5 Pounds)
Width1.67
Part NumberEBBUN300C23X

2. SHIMANO

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SHIMANO Bearing Shell BSA Bottom Bracket MTB Hollowtech II for Deore SM BB51 / BB52

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SHIMANO #ad - Shimano designation E/SM BB51/BB52. Body width 68 and 73 mm. With distance ring to fix to bottom bracket body width. Suitable for BSA thread. Also suitable for crank fc-M 760/600/580/533.
BrandSHIMANO #ad
ManufacturerShimano #ad
Part Numberbb51/bb52
Modelbb51/bb52

3. SHIMANO

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English, Square Taper JIS, 68 x 110mm Spindle, SHIMANO BB-UN300 Bottom Bracket

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SHIMANO #ad - Crankarm fixing bolts sold separately. Spindle length: 110 Hollow spindle. Fits jis square-taper cranksets. Bb shell width mm: 68 mm.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height1.91
Length5.39
Weight0.27 kg (0.6 Pounds)
Width1.67
Part NumberEBBUN300B10X
ModelEBBUN300B10X

4. SHIMANO

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SHIMANO Unisex Bbmt501b BB MT501 outboard bearing bottom bracket set English thread 68 73 mm, Black, British UK

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SHIMANO #ad - Package dimensions: 10 x 10 x 10 cm. Package dimensions: 10 x 10 x 10 cm. Country of Origin:China. Item package Weight:100g. Item package dimensions: 100 x 100 x 100 centimeters. Country of origin:- China. Item package Weight: 100 grams.
BrandSHIMANO #ad
ManufacturerSHIMANO #ad
Weight0.22
Part NumberEBBMT501B
Model2092889311
Warrantyproducer

5. SHIMANO

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SHIMANO Unisex's BB80B Bike Parts, One Size, Other

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SHIMANO #ad - Maintenance free. Compatible with 68 mm and 73 mm shell. Sealed cups keep out dirt and water. Light weight seal structure helps to remove vital grams.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height2.68
Length2.68
Weight0.1 kg (0.22 Pounds)
Width2.68
Part NumberI-SMBB80B
ModelBB80B
Warranty1 year manufacturer

6. dolphin1986

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Aluminum Black-68x122mm, dolphin1986 English Square BB Bike Bottom Bracket Set,Square Taper

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dolphin1986 #ad - Package includes:1*Sealed bearing bottom bracket including cups+2 waterproof screw. Finish: Phosphated cups anodized sheath. For bike type: mountain bike, road racing bike etc. Spindle Interface: square taper. Aluminum sheath, boron Axel/spindle, cold-forged steel cups, Sealed bearings.
Branddolphin1986 #ad
Manufacturerjilin ntn motorcycle co.,ltd #ad
Weight0.23 kg (0.5 Pounds)
Part Numberjl-a-245
Modeljl-a-245

7. SHIMANO

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6.8x11.8cm, Shimano BBUN55B18 BBUN55 Square Taper Bottom Brackets

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SHIMANO #ad - Fast and easy installation without adjustment. Lightweight hollow spindle. Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting. A good quality bottom bracket for traditional chain sets. Super-accurate bearings for smooth operation and improved durability.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height1.97
Length4.33
Weight0.1 kg (0.22 Pounds)
Width4.33
Part NumberBBUN55B18
ModelBBUN55B18

8. Mimoke

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Mimoke Square Tapered Bottom Bracket BSA Innenlager Bearing 68mm x 113mm 116mm 118mm 120mm 122.5mm 124mm 126mm 124MM

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Mimoke #ad - Quick and easy installation without adjustment. Seal bearing: sealed cartridge bearing assembly - maintenance-free sealed cartridge protects against dirt, mud and water. Fine workmanship, small dimensional error, 2 bearing precision wire design, which allows it to connect better to the bike arm. Central bracket with square pin for 68 mm bike bottom. The integrated system can protect the frame, higher power, it is better than the normal middle movement of the structure. Good serviceif you have any problems with this product, you can contact us at any time.
BrandMimoke #ad
ManufacturerMimoke #ad
Height1.34
Length4.72
Weight0.33 kg (0.73 Pounds)
Width1.34
Part NumberLBY-FKZZ
ModelLBY-FKZZ

9. Nikou

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Nikou 15pcs Aluminium Alloy Bicycle Bottom Bracket Axle Washer Gasket Strong MRB Bike Flywheel Hub Spacer Lightweight Bike Washer for BicycleBlack

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Nikou #ad - High-quality aluminum alloy: excellent quality, strong and durable. 3 colors: effectively meet different needs. Bike Washer. Lightweight: easy installation and disassembly, easy to use. Bike Washer. Uses: suitable for adjusting bicycle flywheel, bottom bracket or wheel hub. Function: also suitable for BB ax-is.
BrandNikou #ad
ManufacturerNikou #ad
Height0
Length0
Width0
Part NumberNikouk13fce65u2-03

10. SHIMANO

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Square Taper JIS, SHIMANO BB-UN300 Bottom Bracket, English, 68 x 122.5mm Spindle, 50mm Chainline

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SHIMANO #ad - Crankarm fixing bolts sold separately. Hollow spindle. 50mm chainline. Fits jis square-taper cranksets.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height1.77
Length6.46
Width0.66
Part NumberEBBUN300B23X