Race Face Narrow Wide Chainrings - 9/10/11/12 Speed Slings & Runners - Modular TR-90 Frame

- Modular TR-90 Frame

wool and cashmere blend

The hoodie version might be our favorite for protecting ears and back of neck

5mm BOTTOM BRACKET SRAM PF86

Full cork handles

Race Face Narrow Wide Chainrings - 9/10/11/12 Speed Slings & Runners - Modular TR-90 FrameSame chain retention, less noise and cleaner performance! NEW removed ridges so it is easier to keep the ring looking clean NEW tooth profile to run quieter, and cleaner Narrow Wide tooth profiling ensures ultimate chain retention Stiff 4mm plate thickness transfer loads without flexing 7075 T6 aluminum, aerospace grade strength Laser etched graphics Compatible with 9, 10, 11 and 12 speed ArmxBCD: 4x104 4 bolt