Threaded Bottom Bracket - BSA Theaded Bottom Bracket saddle bags Tools needed: 4mm Allen wrench

Tools needed: 4mm Allen wrench and grease

Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting

Shimano Tourney FC-TY501 cranksets deliver reliable

Two Prong Brush for reaching hard-to-shift dirt on spokes

Threaded Bottom Bracket - BSA Theaded Bottom Bracket saddle bags Tools needed: 4mm Allen wrenche*thirteen Threaded Bottom Brackets Bearings feature high performance seals and custom grease specification for top notch durability and smooth spinning e*thirteen threaded BBs cannot be used to retrofit a BB30 crankset onto a BSA threaded frame Large custom sealed 6806 bearings are replaceable and serviceable