Hollow Integrated 170mm 104 BCD Mountain Bike Crankset With Narrow-Wide 30T-42T Chainring Beefed-Up Aluminum Alloy 7-12 Speed Compatible Includes Bottom Bracket Bolts
✔️ 170mm crank, 104 BCD, 30T-42T options, aluminum alloy
The hollow integrated 170mm mountain bike crankset uses a 104 BCD and offers a narrow-wide chainring setup. It’s designed for use on most mountain bikes and is compatible with Shimano, SRAM, and FSA drivetrains. It includes bottom bracket bolts and is suitable for 7-12 speed chains. Note: These crank and chainring are only suitable for single speed.
✅ Crank: 104 BCD, 170mm length, 74mm hole spacing, 550g✅ Chainring: snail narrow-wide, 30T-42T options, 4mm thick
✅ Material: aluminum alloy for light weight and strength
✅ Bottom bracket: 41x24x24 mm, fits 68-73mm shells; Shimano/FSA compatible
✅ Compatibility: 7-12 speed chains; supports single/double/triple chainrings
✅ Color: Black
✅ Includes bottom bracket bolts
✅ Note: These crank and chainring are only suitable for single speed
💡 What is a hollow integrated mountain bike crankset with 104 BCD used for and why choose narrow-wide chainrings? A quick, handy explanation for shoppers. - Power transfer from pedals to drivetrain with lighter weight - Narrow-wide rings help keep the chain on under rough terrain - 104 BCD allows a range of chainring sizes (30T-42T) - Works with common 7-12 speed drivetrains and standard bottom brackets