Funn Crossfire Seatpost S3-Size-43mm Will also work with Hayes

Will also work with Hayes Dominion brakes

Tire Size Internal Rim Width Weight Valve Length e-Bike compatibility 27

Twin hexagonal floating axle

3D power meter technology (patent pending) measures tri-axial strain on the crank

Funn Crossfire Seatpost S3-Size-43mm Will also work with HayesSimple yet effective. The Funn Crossfire seatpost is a lightweight post with a tough bead blasted finish. Its designed for the rider that doesnt need a dropper post, but that still wants a post they can be proud of. The twin bolt design features a strong clamp thats easy to use with plenty of adjustability. Its available in 30. 9mm and 31. 6mm to fit in everything from your gravel bike, to your XC bike to your downhill bike. Features: Quick Access 2