Bolany MTB Derailleur Extension Hanger – 8-12 Speed Adapter For Shimano, Fits 42-50T Cassette

Heads up, mountain bikers—this Bolany derailleur extender’s a lifesaver if you’re running a bigger cassette.

It’s built to handle 8 to 12 speeds and fits cassettes from 42T all the way up to 50T, so you can tackle those steep climbs without skipping a beat.

Made from solid aluminum, it’s lightweight but tough, and it bolts right onto your frame to give your derailleur that extra reach.

Works with Shimano systems and fits a ton of bike types—MTB, BMX, cyclocross, you name it.

The color’s black, so it blends in, and it’s brand new in the package.

Whether you’re upgrading or replacing, this little adapter’s a clutch component for any serious rider.

Plus, it’s a single-piece set, so no messing around.

If you’re pushing your gear limits, this extender’s got your back.