A STURDY 4 SPOKE DESIGN AND A SOLID 6MM THICK 6061-T6 ALLOY CONSTRUCTION MAKE THE 4STAR SPROCKET A REAL KILLER.
MATERIAL:
full CNC 6061-T6 alloy
THICKNESS:
6.35mm
SPECIAL FEATURES:
bolt drive version only
made to fit directly on to a 24mm crank spindle, includes adaptors for 19mm and 22mm spindles
WEIGHT:
25t: 77g