Light, simple, and super fun, the Trail 16 Single-Speed is perfect for smaller riders ready to take their game to the next level. With one-speed simplicity, a coaster brake and an easy-to-use hand brake, this lightweight ripper is perfect for building skills and having fun. What it's for: Building confidence and skills. For kids 3'8"-4'0" (112cm-122cm) FEATURES: What it's for: Building confidence and skills. For kids 3'8"-4'0" (112cm-122cm) Simplicity: Scooter-style training wheels are quiet and reliable as you’re finding your groove. And the tool-free design makes them easy to remove once you’ve found it (and easy to re-install if you lose it again). SPECS: Frame SmartForm C3 Alloy, coaster brake, rack/fender mounts Fork Rigid, steel, 1" steerer, rim brakes Gears N/A Crankset/Chainring One-piece, 110mm length, 28T Cassette 16T Rear Derailleur N/A Shifters N/A Brakes Rear V-brake and rear coaster brake Handlebar Lightweight Alloy, 25.4mm, 500mm Stem Forged and machined aluminum, 30mm w/ fitted stem cover Seatpost One-piece, clamp-less, Alloy, 25.4mm Saddle Cannondale Kids Comfort Hubs (F) Alloy, nutted axle / (R) Alloy, nutted axle, coaster brake Rims Cannondale, lightweight alloy, 16", 28h Tires Innova, 16x2.25", multi-use tread Extras Tool-less training wheels, full coverage chainguard