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MatteLizardGreen MatteBlack MatteElectronBlue Copper MatteMidnight(purple) Dirt Jumper Riser Bars CNC Aluminum Stem Aluminum Single Speed Cranks SingleSpeed Dropouts w/Chain Tensioners
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Gravity Big Wake
Aluminum, 29er Dirt Jumper Bike, 1 Gear Single Speed
SALE $299
$849
FAST FREE Delivery 48 USA* | 30 Day Money-Back Guarantee*
  • Light/Strong Aluminum Design
  • CrMo Bladed Forks
  • Single Speed (One Gear)
  • Powerful V-Brake Rear

Gravity Big Wake Size Chart | Between sizes? Size down for more crotch clearance
15.5" - 5'5" to 5'10" or
19" - 5'10" to 6'3"+
*approx. sizing - your final choice is up to personal preferences

Select Below then Click Cart to CheckOut
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AK/PR/HI additional cost | LiveChat or Email for PO Box/APO/FPO Options/Costs | Electric Bikes Can't Ship to AK/PR/HI/APO
Bike Assembly is easy, most are up to 90% assembled.

Watch an 11YO assemble his own bike Click >HERE<

 Click For> Sample Assembly instructions and videos
If you don't feel confident working on it, we suggest taking it to a local bike shop for final assembly / safety checks.
Bikesdirect 5,000+ Reviews LiveChat Verified by Real Customers

Save Up to 60% Off* Gravity Big Wake, V Brake, 29er Dirt Jumping bikes

LIGHT WEIGHT This bike is lighter than most any other bike in its price range AND has much higher level parts.

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 are all handled with ease. Slow speed and high speed, technical and flat-out hammering, you will go faster because this adult bmx bike is so capable.

If you love the ride of the adult bmx bikes that cost upwards of $700+; you will love the ride of this Gravity 29er Adult Dirt Jumper / Cruiser BMX bike

TRUSTED SELLER SINCE 1997
A+ RATED With BBB
Over A Million Happy Customers

Specified with competition-ready components and has geometry based on careful research and trail-testing. Please compare this bike directly against any other manufacturers $800+ 29er adult BMX bike on the market. Their bikes are likely to cost almost double or not as well equipped with a strong/lightweight Aluminum frame.

Note, the most expensive models of Adult BMX / Dirt Jumping Bikes have High Grade Aluminum frames like the Big Wake. Customers compare these Big Wake Adult BMX bikes to the SE Big Ripper which sells for up to $800.

Model Gravity Big Wake Trek Top Fuel 5 G4 Canyon Spectral 5
Price $299 $2699 $2099
Weight* 26.9 lbs 35.1 lbs 36.7 lbs
       
Note *Weights can vary +/-5% due to size/production variables
Frame
ALLOY 6061 Aluminum with UrbanProven Design. D-Section, Hydroformed Downtube with reinforced Gusset, water bottle mount (19" have mount on ST and DT, 15.5 have mount on DT)
Fork
Reinforced Adult BMX 29"RIGID FORK, FULL CR-MO W/DISC TAB 1.125 inch Threadless Steerer
Bar / Stem / Saddle / Seatpost
Handlebar Black Finish BMX Riser Bars / Stem CNC Black Finish Aluminum threadless ALLOY BLACK / Grip WTB DualCompound / Saddle Now with unbranded saddle / Seat Post Black Finish Aluminum Micro Adjust / (insert min 2 inches below lowest top tube weld / maintain clamp collar tightness) (insert min 2 inches below lowest top tube weld / maintain clamp collar tightness)
Rear Shock
n/a (does not apply)
Shifters / Derailleurs
n/a (does not apply)
Chain / Gears
Cassette 18T SPROCKET W/ SPACERS / Chain KMC Z-410
Cranks / Bottom Bracket
Crankset SINGLE RING BLACKx175mm, ALLOY BLACK CRANK Arms / Bottom Bracket Sealed Bearing Threaded BB
Brakes
Brakes ALLOY BLACK Aluminum Mechanical V Brakes
Wheels / Tires
Hubs Gravity by Formula Sealed Ball Bearing V with nutted Axles / Spokes Stainless steel/ Rims Double Wall 29x32H, Black anodized Aluminum / Tires NJK 700c/29er ComboTread Tires / clearance for up to 29x2.4" (most tire brands)
Motor/Battery/Controller
n/a (does not apply)
Weight / Widest Tire
Approx. 26.9 lbs / Max Tire width approx 29x2.4" (not guaranteed due to mfg variance)
Extras
FREE BMX Style platform pedals, 9/16 with BoronSteel Axles
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Size 15.5 19 
Head Tube Angle 71.5 71.5
Seat Tube Angle 73 73
Head Tube Length (mm) 110 140
Effective Top Tube (inch) 22.64 23.43
Chainstay (mm) 455 455
Standover (inch) 28.75 32.25
EASY ASSEMBLY: Unbox/Build 29er Aluminum Single Speed Bikes
(Single Speed Dirt Jumping bikes=very similar assembly)
EASY ASSEMBLY: Unbox/Assemble Aluminum V Brake Mountain, Hybrid Adventure Bikes, Video Thumbnail
Over a Million Customers Love Bikesdirect.com
Video Thumbnail
EASY ASSEMBLY: Unbox/Build V-Brake Aluminum Bikes
(V-brake Hybrid and Dirt Jumping bikes=very similar assembly)
EASY ASSEMBLY: Unbox/Assemble Aluminum V Brake Mountain, Hybrid Adventure Bikes, Video Thumbnail