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Save Up to 60% Off Gravity SuperFast BIG 24 / SuperFast BIG 20 Bicycles
ADULT Size BMX Bikes with Rear V Braking System!

Fast, Strong and Lightweight Aluminum Frames
Click to see enlarged photo of bike

Gravity SuperFast BIG 24 / SuperFast BIG 20 Bicycles ADULT Size BMX Bikes with Rear V Braking System!  Fast, Strong and Lightweight Aluminum Frames

ADULT BMX in 24inch or 20inch Wheel Sizes. SUPER LIGHT and SUPER STRONG ALUMINUM
Shown above: MatteGray BIG24, MatteMantisGreen and MatteElectron BIG20. MORE COLORS Available See Below Swatches:

Mountain Bikes, MTB, Full SuspensionMatteGray Gravity FSX V MatteBlack MatteElectron MatteMantis(Green)

Click Links For>> Customer Reviews/Videos/Assembly | Quick Sizing Guide | Specs

Extremely Capable with Powerful V Brake System!
Rear V Brakes are rated as the best - Way better than caliper systems and more powerful. Hand Actuated.


The Deal: available for PrepayShipsJan15Feb10 / 2021 Approx Dates, May ship earlier or later by a few days. See Pull down menus below. Warning: *Order now to lock in your sale price and selection. Price Rises As Sales Goals are Met.

The Process: When you order, your card will be billed for the full amount.
Your Shipping Address: Please ensure it's correct when ordering. Last minute changes incur delays and/or extra costs. Change Shipping address on the 3rd page of checkout. Click on "change" beside the address. Tracking shows movement around the approx ship dates. When they ship, most take 5 to 7 days to arrive by Ground (Not inc. Weekends/holidays)

FAT 20 or 24INCH Tires! Aluminum ADULT SIZE BMX w/ Powerful Rear V Brake Bikes

2021 Gravity
SuperFast BIG 20
Or SuperFast BIG 24
Compare $595+ | WAS $499.95
SALE $229.95 to $249.95

Ships Signature Required

Powerful V BRAKE System
Light/Strong Aluminum
Straight Blade CrMo Forks
Fast Rolling ALU Rim 24 or 20 Inch Tires

Save up to 60% Off List Prices
Buy Factory Direct from Bikesdirect

Compare to $400+ SE BMX or other Aluminum BMX Bikes

preorder ships during octUse pull-down below to select size/colorPullDown May Show Sold Out Selections. Cart Doesn't Reserve Items. For Availability Make Selection, Then Go Thru Checkout. Don't See Size/s? Click> Get Restock Emails

SUPERFAST BIG24 Fit 5'4"and UP
FREE Ship48US $249.95
Sizing Chart
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SUPERFAST BIG20 Fit 4'8"and UP
FREE Ship48US $229.95
Sizing Chart
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We accept Visa/MC/V/Amex. PayPal is optional
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Price Includes Ground Shipping
to 48 United States
(5 to 7 Day Delivery) (AK/PR/HI addtl charges)
(Email us for Delivery to PO Box/APO/FPO)

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Assembly Information
Bikes come up to 90 percent assembled. Assembly is easy. An 11 year old customer assembled their own bike. View: His video HERE. How much Assembly? Click For: Sample Assembly instructions and videos CLICK for: Special price on the full Video DVD/CD and Folding Mini ToolKit If you don't feel confident working on your bike, we suggest you take it to a local bike shop for final assembly & safety checks.

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.

Specified with competition-ready components and has geometry based on careful research and track-testing. Please compare this bike directly against any other manufacturers $400++ 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. Customers compare these SuperFast BMX bikes to others which sell for up to $400+.

Extremely capable with Powerful V Brake System!
Rear V Brakes are rated as the best - Way better than caliper systems and more powerful.

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.

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. If you love the ride of the BMX bikes that cost upwards of $500+; you will love the ride of this Gravity BMX bike on sale for only $229 + FREE Ship48US.

How Can We Sell At This Price?
We sell Factory Direct so you pay a price close to what a local dealer would pay at wholesale cost for a comparably equipped bike. Thus, you get a better equipped bike for hundreds less - often saving up to 60% off List prices. The only thing you have to do is a bit of tuning and assembly - even an 11 year old customer assembled their own bike.

These 2021's are available in limited qtys. Get yours before they are all gone!

Gravity Bike Real Customer Video Review Real Customer Video Assembly of SS G29 Gravity

SuperFast BIG 20/24 Sizing Guide
4'8" and up - Choose BIG 20
5'4" and up - Choose Big 24

(*approx. sizing - your final choice is up to your personal preferences.
If you are super tall, consider the BigWake Adult BMX Bikes
Customers report they fine tune fit to their preferences with their own longer/shorter stems.

Frame 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
Bottom Bracket VP-BC73 CARTRIDGE English/BSA Threaded BB
Pedals BMX Platform 9/16 Boron Steel Axle
Hubs Gravity by Formula Sealed Ball Bearing V with nutted Axles
Spokes Stainless steel
Rims Double Wall 32H, Black anodized Aluminum
Tires BMX 20/24 x 2.4 inch
Brakes Tektro V Brake Rear PLUS Coaster Brake inside Rear Hub (Pedal backwards to actuate)
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 Adult 24 or 20 inch wheels
Colors see pull down

Our low price is $229 to $249 Compare to $400+ SE Big Ripper, Trek, Specialized, Giant BMX bikes, BMX Cruiser Bikes

Gravity SuperFast BIG 20 Geometry: Aluminum BMX V Brake Bikes (equipped w/2.4 tires)
Gravity SuperFast BIG 20 BMX Geo

Gravity SuperFast BIG 24 Geometry: Aluminum BMX V Brake Bikes (equipped w/2.4 tires)
Gravity SuperFast BIG 20 BMX Geo