Race Chain Guide for 1x Single

- Designed for chain retention under the most abusive conditions\n- Tested for all 1x drive-train applications: Gravel, Cyclocross, Mountain bike, and Road\n- Built to resist the derailed chain of a world tour sprinter powering under load\n- CNC Machined from 6061-T6 aluminum (no plastic parts)\n- Stainless steel hardware\n- Weight: 60.8 grams (excluding braze-on adapter clamp)\n- Made in Boise, Idaho, USA\n- Lifetime guarantee against material or manufacture defects. Damages due to abuse or crashing excluded\nCompatibility: round 36T to 52T chainrings, not compatible with oval chainrings, braze-on mount and braze-on adapter clamp compatible, adjustable for height, center-line, and angle, optimized for 11 and 12 spd drivetrains