· [Anti-Slip] Maximize friction design with sandpaper-like non-slip surface· [Rider-friendly] Precision double sealed ball bearings. Durable Nylon body· [Reflector Included] Reflectors on both highly increase the visibility in the dark· [Fit Most Adult Bikes] For urban bikes, city bikes, commuter bikes, E-bikes, & trekking· [Great Quality] Pass Zedler-Institute E-bike pedal standard safety test. Limited one-year manufacturer's warranty included.