Attributes (specs): 

• Designed for chain retention under the most abusive conditions
• Tested for all 1x drive-train applications: Gravel, Cyclocross, Mountain bike, and Road
• Built to resist the derailed chain of a world tour sprinter powering under load
• CNC Machined from 6061-T6 Aluminum (no plastic parts)
• Stainless Steel Hardware
• Weight: 60.8 grams (excluding braze-on adapter clamp)
• Made in Boise, Idaho, USA
• Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded.

Compatibility:

• Optimized for 36T to 52T Chain Rings
• Braze-on mount and braze-on adapter clamp compatible
• Fully adjustable for height, center-line, and angle
• Optimized for 11 and 12 spd drivetrains