The ROTOR NoQ Track Chainring 1/8” BCD144x5 Given the unique requirements of track cycling and fixie riding, you need a super stiff chainring able to respond to your fast-twitch muscle action and high power outputs. Aero, stiff, and crafted especially for track, the Round rings with 144BCD and designed to work with a 1/8″ chain width for your track or fixed-gear bike provide the performance benefits inherent in round rings with the dependability you should expect from your chainrings. CHARACTERISTICS Chainring Sizes (number of teeth): 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 BCD: 144×5 Weight: 107 g per 50t Technologies: Aero, Alu7075, CNC Q-Ring Type: Singlespeed Compatibility: Designed to work with 1/8†chain width. Aero design: reinforced rigidity and aerodynamics Discipline: Track
