AmazonOne piece light weight forged alloy track cranks Chainring: AL 7075 T6 reinforced, CNC, Total Treatment hardening process Compatible with JIS Square Taper Standard Bottom Bracket (bottom bracket sold separately) Chainline: 42.5mm Q Factor: 129mm
One piece light weight forged alloy track cranks Chainring: AL 7075 T6 reinforced, CNC, Total Treatment hardening process Compatible with JIS Square Taper Standard Bottom Bracket (bottom bracket sold separately) Chainline: 42.5mm Q Factor: 129mm