32T Aluminum MTB Crankset 170mm With 104 BCD Narrow Wide Chainring Bolts Included 74mm Mounting Hole Spacing CNC Round Chainring For Single Speed Mountain Bike Dope Upgrade

32T Aluminum MTB Crankset for single-speed, 170mm, 74mm
✔️ 170mm crank, 104 BCD, 32T narrow-wide chainring, 74mm spacing

This lightweight aluminum crankset is designed for single-speed mountain bikes, pairing a 170mm crank with a 104 BCD narrow-wide chainring for solid chain retention on rough trails. Bolts included. Color: 32T/Black.

✅ Crank arm length: 170mm
✅ Chainring: 32T, 104 BCD, 4mm thick (narrow teeth 1.9mm, wide teeth 3.7mm)
✅ Mounting hole spacing: 74mm
✅ Weight: Crank 550g; Chainring ~45g; Single-speed only

💡 What is the best setup for a single-speed MTB using a 32T aluminum crankset with a 104 BCD chainring?

This handy option keeps things simple and reliable on rough trails.

* Handy for maintenance-free rigs
* 170mm crank length gives good leverage on climbs
* 104 BCD with 32T chainring aids chain retention
* 74mm mounting spacing fits common frames