BOLANY 170mm Bike Crankset 36T Hollow Integrated 104BCD Single Speed

Features & details
Compatibility and Specifications: Compatible with 8/9/10/11/12 speed. Wide and narrow tooth Single speed chainring.Hollow Integrated, with BB91 threaded bottom bracket. 104BCD.170mm Crank arm. 21mm Shaft outer diameter
Material:7075 T6 Aluminum Alloy Crankset.Rugged and durable, Precision tooth shape,smooth shifting.High strength removable chainring,Easy to retrofit.The shaft is made of chrome molybdenum steel,Improve the stability of crank and hollow shaft
Bottom Bracket: BB91 threaded bottom bracket,Built-in bearing with high lubricity.Smooth pedaling and noise reduction.Contains aluminum alloy gasket *3
It is fixed with multiple threads to make the crank force more direct. Fits most MTB and road bike modifications34T and 36T two sizes, black, red, blue and gold four colors to choose from.
BOLANY COMPANY NEW RELEASE: BOLANY has provided cyclists around the world with satisfactory forks and cassettes over the past few years.Now, BOLANY will release its own bike crankset to provide a more comprehensive BOLANY bike accessories. At the same time, BOLANY will maintain excellent customer service. Feel free to contact them if you have any questions