Specification:170mm crank arm leagth.130BCD.Hollow Integrated with Bottom Bracket. Double speed 39T/53T chainring.115mm*24mm axle.around 996g total weight.Suitable for 9-10 speed road bikes
Material:7075 T6 all aluminium crank with chainring.Robust and durable. Precision made. Smooth gear changes.High strength removable chainring for easy modification.Chrome molybdenum steel shaft.Improve the stability of crank and hollow shaft
Comes with Bottom Bracket and crank dust cap. Crank dust cover effectively protects the crank. Threaded Bottom Bracket: suitable for BSA BB 68/73mm. BC1.37*24T/68-73mm,Fit for Shimano.Built-in bearing with high lubricity.Smooth pedaling and noise reduction
Internal weight reduction design,Make cranks lighter.It is fixed with multiple threads.make the crank force more direct.CNC machining process, And surface heat treatment process forging.bright and shiny appearance and higher strength
Package includes: Double Speed Round 39/53T Chainring, left and right cranks, Hollow Integrated Threaded Bottom Bracket, crank dust cap
Description
Product: bike crankset
Brand:BOLANY
170mm crank
130BCD
Hollow Integrated
With Threaded Bottom Bracket
Double speed Round 39T/53T chainring