SRAM RED Aero X-Sync Direct Mount Chainring - 46t 12-Speed 8-Bolt Direct Mount 6.5mm Offet BLK E1 MFPN=AS0292 The lenses are made of

The lenses are made of Unbreakable Polycarbonate which are 10 times more impact resistant than plastic or glass lenses and offers the highest degree of protection

For clarification go to http://www

color red package pair

Trim straps after mounting

SRAM RED Aero X-Sync Direct Mount Chainring - 46t 12-Speed 8-Bolt Direct Mount 6.5mm Offet BLK E1 MFPN=AS0292 The lenses are made ofSRAM RED Aero X Sync Direct Mount Chainring 46t 12 Speed 8 Bolt Direct Mount 6. 5mm Offet Black E1. SRAMs light stiff and durable direct mount RED X Sync Aero chainrings let you pick the exact gearing you want and quickly swap sizes. X Sync technology keeps the chain where you need it to be too. X Sync wide tooth narrow tooth chainring technology provides maximum chain control Laser etched chainring finish is more durable than previous version X Range