GT Speed Series Pro XL 24w 2020 - BMX Bike
A lightweight, stiff frame to help you get the holeshot and take the win.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | GT Speed Series MK7 Elite Race Design, 6061-T6 AL, Alloy Formed and Butted Speed Metal Tubes, AL CNC/Forged Quick Change Disc Dropout SyStem, BB86, Taper 1-1/8" to 1-1/2" Integrated H/T |
| Fork | GT BMX Pro Race 24, 100% Cr-Mo 1 1/8" Steerer, Tapered 31.8x1.2mm Blades, 354mm A/C, 20mm Dropouts |
| Headset | 1-1/8"-1.5" Taper Integrated Design, 45X45 Degree Sealed Bearings |
| Stem | Promax Impact Top Load, 53mm |
| Bars | GT Speed Cr-Mo 6.5"H x 29"W, 8° Back, 4° Up, Taper Cross Bar |
| Front Brake | Promax Hydro Disc Rear, 140mm Rotor (Rear Only) |
| Brake Lever | Promax Single Finger hydro |
| Speed | 1 |
| Rims | Speed Series Aero, double wall, 36h |
| Front Hub | GT Speed Series, Alloy CNC body, Sealed Bearings, 36h, 20mm Alloy Thru Axle |
| Rear Hub | GT Speed Series Disc Cassette, Alloy CNC body, 4 Sealed Bearings, 6 Pawl 72point Alloy Shimano Cassette, 36h, 3/8" Female Allen Bolts w/ Alloy Washers |
| Spokes | Stainless Steel, 14g |
| Front Tyre | Kenda Konversion Pro Race, 24 x 1.75" |
| Rear Tyre | Kenda Konversion Pro Race, 24 x 1.75" |
| Seat Post | Alloy integrated w/ Saddle, 27.2 x 135mm |
| Saddle | BOX Echelon |
| Chainset | GT Forged Alloy 2pc., 180mm Arms, 24mm Hollow Cr-Mo Spindle, 42T AL CNC Chain Ring, Alloy Chain Ring Bolts |
| Bottom Bracket | BB86 Sealed Bearings |
| Chain | KMC Z1 Narrow, 3/32" |
| Cassette | 16T |
| Pedals | GT Low Profile FS Platform Design, PP Material, Boron Axle |
BMX Size guide
Kids BMX Size Chart
|
Rider Height |
BMX |
||
|
Feet & Inches |
Centimetres |
Approximate Age |
Wheel Size |
|
3'7" - 4'0" |
110cm - 122cm |
5 - 7 years |
16" |
|
4'0" - 4'10" |
122cm - 147cm |
7 - 11 years |
18" |
|
4'10" - 6'4" |
147cm - 193cm |
11+ years |
20" |
Adult BMX Size chart
20” BMX bikes can be sized on top tube length. A taller rider will suit a longer top tube. Though some riders might wish to experiment with top tube length to suit different riding styles, below is a suggestion.
|
Rider Height |
Top tube length |
|
5’0” – 5’5” (152 – 165cm) |
20” – 20.5” |
|
5’5” – 5’10” (165 – 178cm) |
20.75” |
|
5’10 – 6’0”+ (178 – 183cm+) |
21”+ |
Cruiser BMX Sizing
BMX Bikes with wheels larger than 24” are known as cruisers and will suit riders taller than 5’0” 152cm.
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