DJC Prowheel 104BCD Bike Chainring Round Steel Chainring Super Long Lifespan 15000km MTB Mountain BikeE-Bike Heavy-Duty for High-Intensity Riding Chain Wheel 8 9 10 11 12speed

Features
Bolt Circle Diameter(BCD) is 104mm. Wrong BCD will not works. This 104BCD chainring support M391 M430 M590 M610 M615 M610 M670 M675 M770 M780 M785 M980 M640 M820, and Prowheel, IXF 104BCD crankset.
Made of steel material, with the higher durability and being able to resist wear and drivetrain forces. Super long lifespan,up to 15,
Supports high-Intensity use for E-Bikes.
Specifically designed narrow-wide tooth profile for increased chain retention and mud clearance.
Compatible with 8/9/10/11/12 speed chain.
Package Content: 1x chainring with 4 pairs of steel bolts.

About
Prowheel is an excellent enterprise specializing in the manufacture of bicycle chain wheels and cranks, as well as a manufactory machining bicycle parts with advanced equipments and technology. All the working procedures and processing are finished by itself. The high quality products win a lot of USA and EU bike company client, to supply crankset and chainrings to those famous bike companies.