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, BSA 73MM, EBBUN300C23X, SHIMANO Square Type Bicycle Bottom Bracket

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

2. SHIMANO

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Silver, Size 68, Shimano Unisex Adult BB52 Bottom Brackets

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SHIMANO #ad - Maintenance free. Durable anodized finish. Compatible with 68 mm and 73 mm shell. Set includes left and right hand cups, inner cover, spacers, and inner O-rings. Sealed cups keep out dirt and water.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height0
Length1.55
Weight0.1 kg (0.22 Pounds)
Width1.55
Part Number587677
Model587677
Warranty2 year.

3. SHIMANO

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

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SHIMANO #ad - Spindle length: 110 Crankarm fixing bolts sold separately. Hollow spindle. Bb shell width mm: 68 mm. Fits jis square-taper cranksets.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height4.85 cm (1.91 Inches)
Length13.69 cm (5.39 Inches)
Weight0.6
Width4.24 cm (1.67 Inches)
Part NumberEBBUN300B10X
ModelEBBUN300B10X

4. SHIMANO

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SHIMANO UN300 BOTTOM BRACKET ENGLISH 73x122.5mm SQUARE TAPER

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SHIMANO #ad - Details:cartridge bearing square Bottom BracketBetter chainline reliability with chain line stabilizerFits JIS Square Tapered CranksetsHollow Spindle.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height5.08 cm (2 Inches)
Length17.78 cm (7 Inches)
Width5.08 cm (2 Inches)
Part NumberEBBUN300C22B
ModelEBBUN300C22B m

5. dolphin1986

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Dolphin1986 English Square BB Bike Bottom Bracket Set,Square Taper, Aluminum Black-68x122mm

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dolphin1986 #ad - Package includes:1*Sealed bearing bottom bracket including cups+2 waterproof screw. Spindle Interface: square taper. For bike type: mountain bike, road racing bike etc. Aluminum sheath, cold-forged steel cups, Boron Axel/spindle, Sealed bearings. Finish: Phosphated cups anodized sheath.
Branddolphin1986 #ad
Manufacturerjilin ntn motorcycle co.,ltd #ad
Weight0.5
Part Numberjl-a-245
Modeljl-a-245

6. SHIMANO

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

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SHIMANO #ad - Lightweight hollow spindle. Fast and easy installation without adjustment. Super-accurate bearings for smooth operation and improved durability. A good quality bottom bracket for traditional chain sets. Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height5 cm (1.97 Inches)
Length11 cm (4.33 Inches)
Weight0.22
Width11 cm (4.33 Inches)
Part NumberBBUN55B18
ModelBBUN55B18

7. Truvativ

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Truvativ 147854 Powerspline Bottom Bracket Set, 113 x 68 mm, Black

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Truvativ #ad - Size: 6. 8-centimeters x 11. 3-centimeters. Chainline control stop. Sram power Spline bottom bracket. Heat treated chromoly 12 spline spindle. Cnc machined steel cups.
BrandTruvativ #ad
ManufacturerTRUVATIV #ad
Height5 cm (1.97 Inches)
Length11 cm (4.33 Inches)
Weight0.66
Width11 cm (4.33 Inches)
Part Number00.6415.005.000
Model147854

8. Mimoke

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

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Mimoke #ad - Central bracket with square pin for 68 mm bike bottom. International products have separate terms, are sold from abroad and may differ from local products, age ratings, including fit, and language of product, labeling or instructions. Good serviceif you have any problems with this product, you can contact us at any time. Quick and easy installation without adjustment. The integrated system can protect the frame, higher power, it is better than the normal middle movement of the structure.
BrandMimoke #ad
ManufacturerMimoke #ad
Height4.4 cm (1.73 Inches)
Length12 cm (4.72 Inches)
Weight0.73
Width4.4 cm (1.73 Inches)
Part NumberLBY-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 - 3 colors: effectively meet different needs. Bike Washer. High-quality aluminum alloy: excellent quality, strong and durable. Uses: suitable for adjusting bicycle flywheel, bottom bracket or wheel hub. Lightweight: easy installation and disassembly, easy to use. Bike Washer. Function: also suitable for BB ax-is.
BrandNikou #ad
ManufacturerNikou #ad
Height0 cm (0 Inches)
Length0 cm (0 Inches)
Width0 cm (0 Inches)
Part NumberNikouk13fce65u2-03

10. SHIMANO

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

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SHIMANO #ad - 50mm chainline. Hollow spindle. Crankarm fixing bolts sold separately. Fits jis square-taper cranksets.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height4.5 cm (1.77 Inches)
Length16.41 cm (6.46 Inches)
Width1.68 cm (0.66 Inches)
Part NumberEBBUN300B23X