FC-M5100-1 size-half-waffle Bottom Bracket: Not Included

Bottom Bracket: Not Included

SRAM Model ID: RD-RIV-E-D1

Metal outer shell provides unmatched strength and finish

Wolf Tooth’s patented Drop-Stop wide/narrow tooth profile for the ultimate chain retention and mud-shedding ability 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)

Adjustable capacity due to roll-top closure

FC-M5100-1 size-half-waffle Bottom Bracket: Not Included2 PIECE CRANKSET for 135, 142 and 148 mm O. L. D. frames Q factor 178. 5 mm Chain Line 52 mm Precise and reliable shifting for 1x10 11 speed Attributes BB Inclusion No BCD 96 Chainline 52mm Crankset Material Aluminum Drivetrain Spacing MTB Interface Hollowtech II Pedals Thread 9 16'' Primary Color Black Speed 10 11 Teeth 32