Gravity SuperFast BIG 20 Bicycle Bike Shop Quality BMX Bikes with Rear V Braking System! Fast, Strong and Lightweight Aluminum Frames Join the BMX Revolution If you have ridden one you know why you want one. If you have ever wanted to try one, this is the best deal on a CNC ChainRing Three Piece Crank BMX Single Speed drivetrain equipped BMX Bike Life bike with powerful Rear V Brakes and Front CrMo fork. SIZED FOR SMALL TO TALL RIders AND COMPETITION READY Specified with competition-ready components and has geometry based on careful research and track-testing. Please compare this bike directly against any other manufacturers BMX bike on the market. Their bikes are likely to cost almost double or not as well equipped with a strong/lightweight Aluminum frame. Watch out for super heavy, low tech and rust prone steel frames. Note , the most expensive models of BMX Bikes have High Grade Aluminum frames like the SuperFast. Extremely capable with Powerful V Brake System! Rear V Brakes are rated as the best - Way better than caliper systems and more powerful. LIGHT WEIGHT This bike is lighter than most any other bike in its price range AND has much higher level parts. Check out the machining work on the canks! Look at the strong beefy aluminum rear dropouts and gusset on the frame. The BMX SuperFast bike has superior quality all around. SWEET HANDLING Gravity has really dialed in an Urban-proven geometry into this phenomenal ride. The handling is very responsive and yet stable. Alleys and parking lots and slaloms are all handled with ease. Slow speed and high speed, technical and flat-out hammering, you will go faster because this BMX bike is so capable. Fr ALLOY 6061 Aluminum with BMXProven Design. D-Section, Hydroformed Downtube with reinforced Gusset, Reinforced Rear Dropouts Fork Reinforced BMX RIGID FORK, FULL CR-MO with Threadless Steerer Crankset SINGLE RING wCNC 39T STEEL ChainRing, ALLOY BLACK CRANK Arms Bottom Bracket VP-BC73 CARTRIDGE English/BSA Threaded BB Pedals BMX Platform 9/16 Boron Steel Axle Cassette 16T SPROCKET W/ SPACERS Chain KMC S1 STEEL BR/BR Hubs Gravity by Formula Sealed Ball Bearing V with nutted Axles Spokes Stainless steel Rims Double Wall 32H, Black anodized Aluminum Tires BMX 20 x 2.4 inch Brakes Tektro V Brake Rear Brake Levers TEKTRO ALLOY BLACK Headset Dust Sealed, UnCaged Ball Bearing threadless 1 1/8 in Handlebar Black Finish BMX Riser Bars (680x120mm) Stem Black Finish Aluminum threadless ALLOY BLACK Grip DualCompound Saddle BMX Seat Post Black Finish Aluminum Micro Adjust (insert min 2in below lowest top tube weld / keep clamp collar tight) Seat Post Clamp Super Light Alloy Sizes 20 inch wheels