Concept Thunderbolt Single Speed 20" Wheel Boys Bicycle
Another new junior bike from the clever bike geeks at Insync. This one is a cool customer, designed for the boy bike rider who wants to try some offroad riding. It's fitted with powerful front and rear V-type brakes, steel wheels with mountain bike tyres that will also give a good ride on tarmac surfaces. Finished in a exclusive blue colourway with subtle decals.
- V Type brakes for an improved braking performance.
- 20" Wheels.
- Junior non-slip pedals prevent feet slipping off.
- Upswept handlebars help to promote a good riding position and ensure children are more aware of their surroundings.
- Adjustable brake levers which can be easily operated by smaller hands.
- Grips made from a softer dual compound for quality and comfort.
- Boys Mountain Bike Saddle.
- This bike features stand out styling on the frame.
- Frame: Steel 20" Freestyle BMX frame.
- Fork: Hi Tensile 20" Unicrown BMX fork.
- Headset: Steel, 8 pieces.
- B.B Set: One Piece BMX Type.
- Decals: CONCEPT THUNDERBOLT 20W BOYS ATB 2019.
- Handlebar: Steel Upswept ATB style bars.
- Stem: Steel.
- Grips: PVC grips.
- Front Brake: Steel V Brake.
- Rear Brake: Steel V Brake.
- Chain: 1/2" x 1/8" x 82L.
- Chainset: Steel 1/2" x 1/8" x 36T.
- Tyres Front: 20" x 1.90".
- Tyres Rear: 20" x 1.90".
- Rims: Steel 14G X 36H, 20" X 1.75.
- Front Hub: Steel 36H.
- Rear Hub: Steel 36H.
- Saddle: BMX Vinyl saddle.
- Seat Clamp: Clamp bolt with domed nut.