Hope Crankset 175mm Arms - Compatible with 68/73mm Bottom Brackets - Blue MTB Crankset for Mountain Bikes & Road Bikes - Perfect for Trail Riding, Commuting & Cycling Adventures

Developed over many years the Hope crank has been designed using the latest FEA (Finite Element Analysis) tools and extensive multi discipline field testing. The cranks feature a unique expanding spline axle/arm interface (pat pending) and incredibly versatile spline mounted spider/chainring system. Our expanded range of bottom brackets ensure compatibility with most bottom bracket systems (See hope cranks compatibility chart) Q­?Factor & Chainline- see "crankset fit and chainline" document. Several spindle length options available to accomodate most bikes (from XC to DH, including FAT bikes) "see Hope cranks BB compatibility chart". Chainring mounting: 9, 10 and 11 speed compatible Spiderless Retainer chainrings 26T to 36T Spider Single 104BCD and Double 64/104BCD (with provisional room for a bashguard on all spiders)