The Roaster 12\" Bike is a great first bike and a great way to introduce toddlers to the fun of BMX and teach the basics of bike riding, with fully specd parts made especially for this size bike and a simple coaster brake hub. Recommended for ages 4 & up ###section### Product Specs FRAME MATERIAL: Hi Ten Steel WHEEL SIZE: 12\" TOP TUBE LENGTH: 12.5\" CHAIN STAY LENGTH: 9.25\" HEADTUBE ANGLE: 74° SEAT TUBE ANGLE: 70° FORKS: BARS: 5\" Hi Ten Steel STEM: Alloy Front Load HEADSET: 1 1/8 Aheadset BRAKE MOUNTS: N/A BRAKES: N/A FRONT HUB: Looseball, Alloy FRONT RIM: Single Wall, Alloy REAR HUB: Looseball, Alloy with Coaster Brake REAR RIM: Single Wall, Alloy TYRES: Innova 2.25\" SPROCKET: Steel, 25t CRANKS: Forged 1pc 92mm BB: Looseball USA PEDALS: Plastic Jr SEAT: Combo Seat/Post GEARING: 25/9 WEIGHT: 16.13lbs ###shogun-image-section###