If it39s time to stop pushing and start pedaling the hotrock 12 coaster makes the transition fun easy and sets up kids for a lifetime of ridingthe 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 12quot singlespeed coaster formed tubes hori