Lanxi Chihang Machinery Co., Ltd. was established in 2011, and it mainly produces forged aluminum cranks and related forged bicycle components.

R31B-XD2

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:52/42/30T

OUTER CHAINRING: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)

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CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:52/42/30T

OUTER CHAINRING: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)