Shimano BB-UN300K Bottom Bracket Square Taper Sealed Cartridge Pauluhn Bar clamp diameter: 25

Bar clamp diameter: 25

oxidation and marks from life at sea

this will take a standard E27 lightbulb

Comfortable relaxed fit

Shimano BB-UN300K Bottom Bracket Square Taper Sealed Cartridge Pauluhn Bar clamp diameter: 25A good quality 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