CRANK MATERIAL:FORGED ALLOY-6061-T6
CRANK LENGTH:170MM
CHAINRING:53/42/30T
OUTER CHAINRING:STEEL "SILVER"PAINTED
CENTER CHAINRING:STEEL "SILVER"PAINTED
INNER CHAINRING:STEEL "SILVER"PAINTED
COMPATIBILITY:9S/8S
PCD:110/74MM
CHAINLINE:45MM
B.B.Axie:110MM(21-68-21R)