MOWA NW Mountain Bike Narrow Wide 104mm Single Chainring for Shimano Sram 30t 32t 34t Compatible with 9 10 11 Speed Review Posted on July 30, 2018November 9, 2018 By ArchSeaLionPosted in Drivetrain ComponentsTagged Cycling, MOWA, Outdoor Recreation, Parts & Components, Sports & Outdoors Material: 7075 T6 Alloy Fully CNC machined Teeth: 30T, 32T, 34T available BCD: 104mm Compatibility: 9, 10, 11 speed Weight: approx. 40 grams (32t)