SRAM Force 2x Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount Black E1 ISO Width (mm)-69 Ercolina Upper Body Power allows

Ercolina Upper Body Power allows you to exercise all core stability muscles

Max Torque: 40Nm

Tool Interface:  5mm and 6mm hex key

Cinch System spline

Featuring a high loft

SRAM Force 2x Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount Black E1 ISO Width (mm)-69 Ercolina Upper Body Power allowsSRAM Force 2x Chainring Kit 50 37t 2x12 Speed 8 Bolt Direct Mount Black E1. SRAM has designed the Force 2x direct mount chainring to be light weight stiff and durable. The Force 2x chainring kit is a single integrated unit so no effort is wasted transferring all your power to the pedals. One piece aluminum construction provides faster smoother more secure shifting Offers crisp and accurate front shifts X Range gearing technology gives you more range