Burgtec Thick-Thin Alloy Chain Ring - 104 BCD - Round - Black - 9-12 Speed - 32T YGroup_7033475694637 Based on a technology developed

Based on a technology developed in over 10 years on producing lubricants for motorsports

Rim well compatibility: The soft rubber base creates an airtight seal on valve holes up to 8mm diameter so they are pretty universal for most MTB rims

Brass and aluminium plug tips

This is the carrier only

Burgtec Thick-Thin Alloy Chain Ring - 104 BCD - Round - Black - 9-12 Speed - 32T YGroup_7033475694637 Based on a technology developedKeep that chain in place where it should be with a Burgtec Thick Thin Chain Ring. Designed with a proven thick thin tooth profile for improved chain retention. Who's this item for: Riders who use 1x drivetrains and are looking for superior chain retention as well as durability. Mounting style: 96 64mm PCD Weight: 56g (30t) Pros: Wide range of tooth options. Works for 9, 10, 11, and 12 speed setups. Great build quality. Cons: Oval options not available