NEW SRAM 39T x 130mm BCD Triple Alloy Ring Black benno-model-eJoy These feature a one-sided lock-on

These feature a one-sided lock-on collar

Cassette Cogs: 12-15-18-21-24-30-37-46

Soft Tissue Relief: The nose of the saddle is designed to comfortably relieve pressure for every type of rider

The pivot bearing offers a snappy lever feel and a finger fatigue-free ride

NEW SRAM 39T x 130mm BCD Triple Alloy Ring Black benno-model-eJoy These feature a one-sided lock-onOriginal equipment on SRAM and Truvativ cranks, they also work well with other drive trains. 7000 series aluminum provides strength and durability Tooth Count: 39 Ring Position Type: Middle Drivetrain Speeds: 10 Chainring BCD: 130 Color: Black Defined Color: Black Material: Aluminum