XR Retro Fit KitIf you currently have an older 2. 1 seatpost or our newer LR unit ( this uses shorter 1. 75" lower springs), you can convert to the XR configuration. This allows for heavier springs for riders weighing from 160 to 320 pounds. Also better for E Bike usage.

this stem reduces pressure on your arms

and enjoy longer

If you do not see the diameter listed for your bike you will need a shim

Neck and shoulder strain

engineered for smaller riders

50mm aluminum Control Knob (pre-installed)

and discomfort in hands

and additional springs for customization

Rear Link Assembly

Our Stem is designed to use 31

Featherweight performance meets all-day comfort

the XR is easy to install and features a quick and easy preload adjuster knob