20T x 64mm Chainring

Lightweight, high strength 20 tooth chainrings for MTB and singlespeeds. Ultra low climbing gear, great for 29ers. Mounts to most cranks with 64mm bolt circle. Precision CNC machined from heat-treated 7075 aircraft aluminum, strong as steel yet light as aluminum.

• Only 12 grams!
• 7075-T651 aluminum
• 75,000 PSI tensile strength
• 64mm bolt circle mounting
• Durable black anodized finish
• 0.075 width for 3/32" 8-9 speed chain
• 0.093 width for 1/8" single speed chain