laffoonparts 6.7"/170mm Square Taper Crankset, 104 BCD Mountain Bike Narrow Wide Tooth Chainring 40T, Single Speed Round/Oval Chainring & Crank, Fit for Shimano, SRAM, FSA - FUSFHS2100

• UPC   768716323386
• CHAINRING - Snail single speed narrow wide teeth chainring, 104BCD, 32T, Round/Oval, Black/Red, Chainring thickness 4mm (Narrow teeth: 1.9mm, Wide teeth: 3.7mm), Weight: about 43g. CRANK - 104 BCD ultralight mountain bike crank, only can be used on Single speed chainring. Crank Arm Length: 6.7"/170mm, Crank weight: 510g, Crank related holes distance: 2.91"/74mm. DURABLE MATERIAL - Made of high-strength aluminum alloy, anodized antioxidant design protects the aluminum alloy body, no fading in long-term use. Light weight, stylish appearance and high compatibility. PROFESSIONAL DESIGN - Worm gear positive and negative gear plate, chain is stable and not easy to fall off. One piece forging molding, high strength, not easy to break. NOTE - These cranks and chainrings are only for single speed bikes. If you have any questions or concerns, please feel free to contact us.