The Funn Solo Narrow-Wide is designed for single chainring setups with 104mm BCD cranks.

The narrow-wide tooth profile helps lock the chain in place, eliminating the need for a chain guide.

CNC machined from high-quality aluminum, the Solo is both durable and lightweight.

-Better Compatibility: Compatible with 9-12 speed chains, making it a practical option for a variety of bikes.
-Excellent Chain Grip: The narrow and wide design firmly locks the chain with alternating teeth.
-Precise Chain Line: Stepped bolt holes ensure accurate chain line for precise shifting and chain retention.
-High Quality Manufacturing: Made of durable 7075 aircraft alloy with full CNC finishing.