Wolf Tooth Lower Headset Cup Extender - EC - External Cup Color:Black The GX Eagle Transmission derailleur

The GX Eagle Transmission derailleur features things like removable skid plates for better protection and serviceability

Light and reliable thanks to the MICHELIN Aramid Shield Technology and 3x120 TPI casing

It’s the crankset where pure performance meets optimal value

Fully biodegradable and free from petroleum-based oils

Wolf Tooth Lower Headset Cup Extender - EC - External Cup Color:Black The GX Eagle Transmission derailleurThese lower headset cup extenders allow you to adjust the geometry of your bike frame by increasing the effective fork length by 10mm. They allow you to do things like use a rigid fork on a suspension corrected frame or use a fork with a shorter axle to crown height rather than what the frame was designed to use. They can also be used to increase the bottom bracket height and lower the headtube angle. Wolf Tooth Precision Headsets are machined in the