CRANK MATERIAL:FORGED ALLOY-6061-T6
CRANK LENGTH:170MM
CHAINRING:48/38/28T
OUTER CHAINRING:100% CNC ALLOY "HBK"ANODIZED
CENTRE CHAINRING:CNC ALLOY“HBK”ANIDIZED
INNER CHAINRING:CNC ALLOY“HBK”ANIDIZED
COMPATIBILITY:9S
PCD:110/74MM
CHAINLINE:45MM
B.B.Axie:110MM(21-68-21R)