BB-UN300 bottom bracket British thread, 68 - 127.5 mm lights Patent-pending end link design secures

Patent-pending end link design secures chain to hardened deadbolt eliminating critical vulnerability

Quick Release axle

Triple Compound For All Weather Conditions 72mm Long Pads Standard Rim

27mm Wide Single skin Rim Screw Freewheel Hub

5mm four sided chain links made from hardened carbon steel

BB-UN300 bottom bracket British thread, 68 - 127.5 mm lights Patent-pending end link design securesA 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