Mountain Bike Crankset 170mm Square Taper 104 BCD 30T Narrow Wide Round Chainring Six Color Options Ultra Lightweight Aluminum Alloy Crank Arm Set For Single Speed Easy Install And High Strength Performance Upgrade Built For Tough Trails And All Weather

170mm Mountain Bike Crankset 104 BCD 30T Narrow Wide
✔️ 170mm crank arms, 104 BCD, 30T chainring, single-speed ready

This ultralight crankset is designed for mountain biking, featuring a 170mm crank arm length and a 104 BCD with a 30T narrow wide chainring. It's built for single-speed setups on tough trails and all weather conditions.

✅ Ultra-lightweight aluminum alloy crankset weighs about 550g
✅ 170mm crank arms with 104 BCD and 30T chainring
✅ 30T chainring made from 7075 aluminum alloy for strength and light weight
✅ Narrow wide design helps keep chain in place on tough climbs
✅ Includes: 1 crankset, 1 x 30T chainring, 4 x chainring bolts

💡 What is a 104 BCD crankset with a 30T chainring used for in mountain biking? This handy setup helps riders upgrade single-speed bikes with a lightweight, strong drive train.

- handy for quick upgrades on single-speed builds - reduces weight while keeping strength with 7075 aluminum - the narrow wide chainring design helps prevent chain drops on rough terrain - easy to install on compatible bottom brackets