BOX Cosine Chainring 104BCD x 40t - Black Front Der/Shifter Compatibility-SRAM Yaw Unsurpassed durability

Unsurpassed durability

(2) barbed tubing inserts

9 Wheelbase (mm) 1070 1071 1076 1090 Chainstay (mm) 455 455 455 455 BB Drop (mm) 70 70 70 70 Stack (mm) 558 570 610 633 Reach (mm) 405 406 404 410 Wheel size across sizes: 27

Features a auto stop when desired pressure has been reached and also has an auto off function to save battery power

Stage 1 opens both barrels for huge air volume reaching 30 psi with 30% less effort

BOX Cosine Chainring 104BCD x 40t - Black Front Der/Shifter Compatibility-SRAM Yaw Unsurpassed durabilityCNC machined 6061 T6 aluminum with rounded tooth profile to reduce chain wear Model Cosine Chainring Ring Type Single Mount 4x104mm Teeth 40 Oval Round Round Color Black Size 40T