Vittoria Air-Liner Light Gravel Insert Size:650B x 42–50 / Single / Green and an E50 e-bike-rated downhill

and an E50 e-bike-rated downhill version

This cruiser comfort bike saddle is designed for relaxed riding

T25 and T30 wrench sizes in our classic three-way `Y` design

or utility wheel setups

7mm thorn-resistant construction helps defend against flats from thorns

Vittoria Air-Liner Light Gravel Insert Size:650B x 42–50 / Single / Green and an E50 e-bike-rated downhillThe Vittoria Air Liner Light Gravel Insert is designed specifically for tubeless gravel tires with 4250mm tire widths. It helps improve the wheel tire system by adding lateral stability, cornering support, rim impact protection, and added resistance against snake bite style punctures. The insert also helps increase comfort, cushion, and grip. In the event of a puncture, the run flat foam expansion can help the rider maintain control long enough to