Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Toxic Barbie Pink - 9-12 Speed - 32T YGroup_7033667682349 They feature a durable TPU

They feature a durable TPU skid plate for sliding during crashes

1x Top Tube Protector

and most other brands' narrow/wide chainrings (you must use a Prime 9 chain)

The BOA L6 adjustment system provides a sleek profile and lightning-fast adjustment

Burgtec Thick-Thin Direct Mount Chain Ring - SRAM Direct Mount - 3mm Boost - Round - Toxic Barbie Pink - 9-12 Speed - 32T YGroup_7033667682349 They feature a durable TPUKeep 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. Weight: 0. 08g Pros: Wide range of tooth options. Works for 9, 10, 11, and 12 speed setups. Great build quality. Cons: Oval options not available in all mounting types.