• Lightweight and Durable:Our 104 BCD ultralight mountain bike crankset weight about 609g and is made to last.Suitable for mountain bikes, commuter bikes, electric bikes, etc
• Chainring:Choose from 32/34/36/38/40/42T, Round/Oval, Black/Red, and enjoy the narrow wide teeth chainring's 4mm thickness (Narrow teeth: 1.9mm, Wide teeth: 3.7mm), Weight: about 45g, fit Shimano, SRAM, FSA
• Single Speed Only:Please note that these crank and chainring are only suitable for single speed bikes
• Package Content:Our package includes 1PC MTB Crankset, 1PC Mountain bike single speed chainring, and 4PCS Chainring bolts
• Easy to Install: This is a square taper crankset that is simple and reliable. If you know how to use a hex wrench, it's easy to install