Academy Desire 20 BMX Bike Gun Metal Grey (2021)

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We'll build your bike for free when you click and collect at any 99 Bikes store.

First Free Service

First Free Tune-up
Every bike come with a complimentary free tune-up and safety check.

The Academy Desire is the top of the range BMX bike from Academy and it is loaded with legit spec. You get a full CrMo frame with a 21" top tube and full CrMo forks as well. The full CrMo 9" bars and 3 piece CrMo crankset finishes off the CrMo theme, but you still get tough double wall alloy rims and sealed hubs throughout for an outrageously good ride that won't let you down. This bike is light and agile thanks to all of the high quality CrMo components, yet it still doesn't sacrifice any durability. The Academy Desire is a dialled BMX ready to take your riding up a notch with its great spec.


  • Full CrMo frame
  • Full CrMo Forks
  • Full CrMo Academy Bars 9.0” rise 28” wide
  • Academy 3pce CrMo Tubular Crankset - 8 spline, 170mm.
More Information
Season 2021
Size 20inch
Click & Collect Yes
Wheel Size 20"
Frame Material Chromoly
Fork Material Chromoly
Cassette Type Single Speed
Chainset Type Single
Brake Type U-Brake
Bottom Bracket Sealed Mid 19mm
Brakes Alloy U-Brake
Brake Levers Alloy
Cassette Academy 25T
Chain KMC
Crankset Academy CrMo Tubular 8 spline 19mm spindle 170mm length
Fork Academy Desire Full CrMo, tapered legs
Frame Academy Desire Full CrMo
Grips Academy Pro
Handlebar Academy Full CrMo, 9.0" rise x 28.0" wide
Hubs Academy Alloy Cassette full sealed with 14mm axle 36 hole
Pedals Plastic
Rims Alloy double wall 36 hole
Saddle Academy Pro Seatpost Combo
Seatpost Academy Pro Seatpost Combo
Spokes Black
Tyres Family F2128 20 x 2.3"
Kids Bike Sizing 20 Inch
Top Tube Length 20.4
Top Tube Length 20.x"

20" Freestyle BMX Sizing Chart

Rider's Height (cm)
Top Tube
Top Tube
Top Tube
Top Tube

This is only an estimate, and every new bike comes with a free professional bike fit when you click & collect in store, plus all bikes have a 30 day Perfect Ride Guarantee.

BMX Bike Geometry Diagram


ST Seat Tube

TT Top Tube

CS Chain Stay Length

HTA Head Tube Angle

STA Seat Tube Angle

BD Bottom bracket Drop

HT Head Tube

FL Fork Length

R Reach

S Stack

WB Wheel Base


Wheel Size 20"
Frame Size 20
TT Top Tube (mm) 20.4
CS Chain Stay Length (in) 13.25
HTA Head Tube Angle (°) 75.0
STA Seat Tube Angle (°) 71.0
R Reach (mm) -
WB Wheel Base (mm) -


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