Vintage Sugino Chainring 144 BCD 5-Arm 45T NOS Aluminum Road BMX Japan Bike

Vintage Sugino Chainring 144 BCD 5-Arm 45T NOS Aluminum Road BMX Japan Bike Vintage Sugino alloy chainring. BCD: 144 mm. Tooth Count: 45T. NOS Part type and use: single chainring for cranksets that take 5-bolt 144 BCD rings, suitable for use as an outer or single ring on vintage road, track, and fixed-gear bike drivetrains. Material and construction: machined aluminum alloy body with integral tooth profile and countersunk bolt holes around a five-arm mounting pattern. Color and finish: natural silver alloy with a matte to satin finish that matches many classic polished or anodized silver crank arms. NOS with storage wear.