130 BCD Round Bike Chainring 42T Narrow Wide Single Chainring For 8 9 10 11 12 Speed Road Bikes Lightweight Aluminum Alloy Built For Trail And Daily Grind Commutes Smooth Shifts And Easy Install

130 BCD Narrow Wide Chainring for 8-12 Speed Bikes, 1pc
✔️ 42T, 130 BCD, CNC aluminum, bolts + wrench included

This 130 BCD round chainring is a single-chainring upgrade for road, mountain, and commuter bikes. Its narrow-wide profile helps keep the chain in place on rough trails and city streets, while fitting compatible cranksets.

✅ 42T chainring size for 8-12 speed drivetrains
✅ 130 mm BCD fits compatible cranksets
✅ CNC machined aluminum for strength and light weight
✅ Positive and negative teeth prevent chain drop
✅ Includes 1 sprocket, 5 bolts, and hex wrench
✅ Color: Black

💡 What is a chainring with a narrow-wide tooth profile used for in road and mountain bikes? A handy explanation:

- chain retention on rough terrain - reduces chain drops during shifts and rough rides - compatible with 8-12 speed drivetrains