![GT Pro Series XXL BMX Bike [Blue] (2017)](https://www.urbnbike.com/wp-content/uploads/2025/9/1758958724/gt-pro-series-xxl-bmx-bike-blue-2017-1758958728.webp)
The Pro Series from GT come in a range of sizes and are fully customisable, allowing you to tailor your ride.FEATURES:GT PRo Series Race, 6061-T6 Aluminum Junior FrameGT Mohawk Hubs with CassetteTioga PowerBlock TiresSPECIFICATIONS: Sizes:20" OS wheel / 21
The Pro Series from GT come in a range of sizes and are fully customisable, allowing you to tailor your ride.
| Sizes: | 20″ OS wheel / 21.5″ top tube |
| Frame: | GT Pro Series Race, 6061-T6 AL, Euro BB, Reverse Dropouts, 1-1/8″ Integrated H/T |
| Fork: | GT Pro Series Race, 100% Cr-Mo 1 1/8″ Steerer, Oval Legs, 3/8″ Dropouts |
| Chain: | KMC Z610 |
| Crankset Chainwheel: | 15 |
| Crank: | GT Forged Alloy 180mm 2pc, 24mm Hollow Alloy Spindle, 42T 6061 AL Chainring |
| Crank Option 1: | GT Forged Alloy 180mm 2pc, 24mm Hollow Alloy Spindle, 42T 6061 AL Chainring |
| Bottom Bracket: | EB24 Sealed |
| Pedals: | GT Mini Platform |
| Rims: | Speed Series Aero Double Wall, 28 Hole (F/R) |
| Tires: | Tioga Power Block 20″ x 1-3/8″ (F/R) |
| Hubs: | GT Mohawk, Alloy, 36H (F) Female 3/8″ Sealed, (R) Female 3/8″ Sealed Cassette |
| Spokes: | 15G |
| Nipples: | Aluminum |
| Brake: | Promax MV-87, AL Mini V-Brake |
| Brake Levers: | Tektro V-Type AL 2 Finger Lever w/ Reach Adjust |
| Handlebar: | GT Speed Cr-Mo 6.5″H x 26″W, 8? Back, 4? Up, Taper Cross Bar |
| Stem: | GT Front Load, Cold Forged 1-1/8″, 40mm Length |
| Grips: | GT Statement |
| Headset: | 1-1/8″ Integrated Design, 45X45 Degree Sealed Bearings |
| Saddle: | GT Uni Mini w/o padding |
| Seat Post: | AL integrated w/ Saddle, 25.4 x 150mm |
| Seat Clamp: | GT BMX Race Design, Aluminum, 28.6mm Single Bolt |
| Extras: | GT 6061 AL CNC Chain Tensioners |
Additional Information on BMX Bikes can be found here
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