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Shimano UN300 Bottom Bracket

SRP £21.99 Save 4% Web Price: £20.99 Including  VAT at 20%


A good quality square taper bottom bracket for traditional chainsets
Super-accurate bearings for smooth operation and improved durability
Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life
Fast and easy installation without adjustment
Narrow body allows clearance for cable routing under the bottom bracket

Options & Purchase

Our Ref.Available
68 - 107mm
BBUN300B07In Stock
68 - 110mm
BBUN300B10In Stock
68 - 113mm
BBUN300B13Out Of Stock
68 - 115mm
BBUN300B15In Stock
68 - 118mm
BBUN300B18In Stock
68 - 122.5mm
BBUN300B23In Stock
68 - 127.5mm
BBUN300B27In Stock
73 - 113mm
BBUN300C13In Stock
73 - 118mm
BBUN300C18In Stock
73 - 122mm
BBUN300C23In Stock

This item is available for Click & Collect within 4 hours. Visit our Click and Collect section to select this option.

Click and Collect

Shimano UN300 Bottom Bracket 68 - 107mm

Our Ref:BBUN300B07 Universal Product Code:4550170619282

Shimano UN300 Bottom Bracket 68 - 110mm

Our Ref:BBUN300B10 Universal Product Code:4550170619206

Shimano UN300 Bottom Bracket 68 - 113mm

Our Ref:BBUN300B13 Universal Product Code:4550170619329

Shimano UN300 Bottom Bracket 68 - 115mm

Our Ref:BBUN300B15 Universal Product Code:4550170619183

Shimano UN300 Bottom Bracket 68 - 118mm

Our Ref:BBUN300B18 Universal Product Code:4550170619237

Shimano UN300 Bottom Bracket 68 - 122.5mm

Our Ref:BBUN300B23 Universal Product Code:4550170619251

Shimano UN300 Bottom Bracket 68 - 127.5mm

Our Ref:BBUN300B27 Universal Product Code:4550170619312

Shimano UN300 Bottom Bracket 73 - 113mm

Our Ref:BBUN300C13 Universal Product Code:4550170619213

Shimano UN300 Bottom Bracket 73 - 118mm

Our Ref:BBUN300C18 Universal Product Code:4550170619244

Shimano UN300 Bottom Bracket 73 - 122mm

Our Ref:BBUN300C23 Universal Product Code:4550170622190