Description:

High Quality aluminum alloy material crank arms with/without bottom bracket set, high strength, solid but ultra-light
Bottom Bracket inner diameter: 24mm; BCD: 130mm; Crank Arm Length: 170mm
Hollow bottom bracket sprocket wheel shaft for single chain mountain bikes, road, folding bikes.
Hollow design claw arms reduces the weight and won't add too much burden to your bike
Comes with 50T/52T/54T/56T/58T single narrow wide chainring chainwheel

Specification:

BCD: 130mm
Crank Arm Length: 170mm
Bottom Bracket: 24mm, Length: 108mm

Package Includes:

1 Set Crankarm Set
1 Piece Bottom Bracket
1 Piece Chainring