The Stinger Chain Tensioner from Blackspire is lighweight, simple, inexpensive, and works with almost any bashring. Featuring a machined aluminum arm and guide roller with a cartridge bearing for single and double chainring steups. The molded stepped roller adds more tension when you use lower gears.
- Backplate Material: Aluminum
- Mount: I-05
- Chainring Size Range: Up to 40T
- Intended Use: AM / Freeride