Fouriers 42T Single Chainring Circle Round BCD104 Narrow Wide 1 x System for MTB Bike

Description

Bicycle Chainring BCD104 Circle single speed Narrow wide NW teeth big chain ring 42T Black Note:This is circle round chainring, suit for BCD104 crank, and it is for single speed 9 10 11speed. Pacakge include:1pcs chainring Feature: Narrow Wide Single Chainrings for 9-11 speed drivetrains. Material:7075 aluminum, aerospace grade strength. Compatible with 9, 10 and 11 speed Narrow Wide tooth profiling ensures ultimate chain retention Stiff 4mm plate thickness and I-beam construction transfer loads without flexing Reversible laser etched graphics