With awesome graphics and a stable and durable design the hotrock 16 coaster is the perfect option for little kids looking for their next bikethe tough light and durable specialized a1 premium aluminium frame is built to laststrong and durable alloy wheels can handle years of wear and tearsteel coaster brake is a reliable easy to use brake perfect for safe stops and awesome skidstechnical specificationsframe specialized a1 premium aluminium 16quot singlespeed coaster formed tubes w kickst