The Thumper 20R8 is a great first 'grown up bike' for your young teen. The 8 speed Shimano Rapidfire trigger Shifter makes learning to shift a breeze, front and rear caliper brakes have custom sized levers for young hands and the safety relectors and bell ensures your child can be seen and heard.

• Frame: Butted Alloy Frame, Low Gravity Concept Design,CRM Forks, seat height 23.2 - 28.7 inches
• Wheels: Reinforced Alloy Wheels with Machined Braking surface for Greater Power, lightweight Micro Knobby Design tires with Tough Tubes
• Brakes: Alloy Tektro Front & Rear Calibrated V brakes with Max Power Alloy Tektro Custom Sized Levers