Bucklos bike crank arm set is forged from premium aluminum alloy,Which has two interface types, square hole and diamond hole, the sizes of 152MM/170MM to choose from.Bucklos bicycle crankarm is a nice replacement for bike repair suitable for the ebike,exercise bike,indoor bike. Crank Arm : Brand: BUCKLOS Crank Arm length: 152/170mm Material: AL6061 aluminum alloy Shape:Square/Diamond Hole Weight: about: L+R(Square/Diamond):152mm-0.4kg/170mm-0.5kg Advantages: High hardness,stable transission,High strengthaluminum alloy material,Easy to install, Notes:L+R crank arm is mainly suitable for e-bikes and indoor bike. Package:Left + Right Crank Arm.
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