WUZEI Bicycle Crank Sprocket 30T 104BCD Cycling Round Narrow Wide Ultralight 7075-T6 MTB Bike Chainring Circle Crankset Plate. - Why Narrow-wide?. - Oval chainwheel superiority, increased frequency, and easier middle gear planning.
DMR Blade Chain Ring DM Direct Mount 10 11 12 Speed Crank Ring 30t 32t 34t 36t
E*thirteen Helix, Crank, Crankset 30T chainring, 52 mm chainline, 175 mm length
24T Teeth Bike / Bicycle Steel Sprocket For One Piece Crank (OPC) - White
BUCKLOS 130BCD 45-58T Chain ring Road Folding Bike Chankset 170mm Crank Sprocket
BMX Crank Sprocket Bolt
