BOLANY 170mm Bike Crankset Double Speed Round 39/53T Chainring 130BCD Hollow Integrated 9S/10S with Bottom Bracket Fit for Road Bike Cranksets
Product Description
BOLANY 170mm Bike Crankset Double Speed Round 39/53T Chainring 130BCD Hollow Integrated 9S/10S with Bottom Bracket Fit for Road Bike Cranksets
- 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
Technical Specifications
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