SRAM Rival1 Crankset 11 sp. 175mm 50T BCD:110mm GXP 68mm 45.5mm Black ModelNumber=D1524 If using a 9-speed drivetrain

If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention)

then to the ski at high speed

starting at the spot in between your thumb and first finger

100% Nylon (lining)

SRAM Rival1 Crankset 11 sp. 175mm 50T BCD:110mm GXP 68mm 45.5mm Black ModelNumber=D1524 If using a 9-speed drivetrainSRAM Rival 1 Crankset 175mm 10 11 Speed 50t 110 BCD GXP Spindle Interface Black. Featuring forged aluminum arms and SRAMs game changing X Sync chainrings this crankset hits the sweet spot between weight durability and performance. X SYNC Chainrings are compatible with SRAM 11 and 10 speed chains 45. 5mm chainline is compatible with130 or 135mm spaced rear dropouts Chainring spider is removable Q factor for GXP cranks is 149. 6mm Q factor for BB30 is