Blackspire Stinger tensions any chain in the most challenging circumstances. On rough terrain a chain on the small chain ring can jump of the gear. Stinger guarantees optimal chain tension at all times. It will never lose his chain. It is CNC milled from lightweight 6061 T-6 aluminum and compatible with chain rings up to 40 teeth. The Stinger is available for mounting on three standard mounting modes: BB mount, ISCG and ISCG'05. Furthermore, this chain tensioner is also available for mounting with E-type front derailleurs.
Dual-Ring Chain tensioners for E-type derailleurs
The most affordable Dual-Ring chain tensioner in the world!
For use with Shimano FD-M970-E/FD-M770-E E-type Front Derailleurs
Works with almost any Bashring
Molded Stepped Roller
Fits up to 40t chainrings
Intended use: All-Mountain & FreeRiding
Color(s): Anodized Black back plate with colored roller