Shimano BB-UN300 Square Taper Bottom Bracket (73-122.5mm) Size:Standard Stride Ratio (Waist)

Stride Ratio (Waist)

Size: 15ml

Bottom bracket axle profile:24mm Hollow Shaft

Durable and Deep Penetrating: Engineered to withstand extreme conditions

Dense tree cover and the urban canyon are no match for its spot-on accuracy with multi-band GNSS

Shimano BB-UN300 Square Taper Bottom Bracket (73-122.5mm) Size:Standard Stride Ratio (Waist)Specifications A good quality bottom bracket for traditional chainsets Durable, hard wearing sealed cartridge bottom bracket with square tapered spindle fitting Better chainline stability with chain line stabilizer 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 Crankarm fixing