![GT Mach One Expert 20″ BMX Bike [Black] (2017)](https://www.urbnbike.com/wp-content/uploads/2025/9/1758958724/gt-mach-one-expert-20-bmx-bike-black-2017-1758958728.webp)
A product of dedication and innovation entwined, the Mach One from GT has been designed to perfection, built to suit every need.FEATURES:GT Mach One Race Aluminum FrameGT Alloy Forged 3pc CranksAlloy Double Wall 28H RimsSPECIFICATIONS: Sizes:20" wheel / 19
A product of dedication and innovation entwined, the Mach One from GT has been designed to perfection, built to suit every need.
| Sizes: | 20″ wheel / 19.25″ top tube |
| Frame: | GT Mach One Race, 6061 AL, Euro BB, Reverse Dropouts, 1-1/8″ Integrated H/T |
| Fork: | GT Mach One Race, Steel, 1 1/8″ Steerer, Oval Legs, 3/8″ Dropouts |
| Chain: | KMC Z410 |
| Crankset Chainwheel: | 15 |
| Crank: | Alloy Forged 3-Piece, Square Taper, 140mm, 36T Steel Chain Ring |
| Crank Option 1: | Alloy Forged 3-Piece, Square Taper, 140mm, 36T Steel Chain Ring |
| Bottom Bracket: | Euro Sealed |
| Pedals: | GT Mini Platform |
| Rims: | Alloy Double Wall, 20″ 28 Hole (F/R) |
| Tires: | Kenda Race 20″ x 1-3/8″ (F/R) |
| Hubs: | Steel Body, (F) 28H, 3/8″ Axle, (R) Freewheel, 28H, 3/8″ Axle |
| Spokes: | 14G |
| Nipples: | Steel |
| Brake: | Alloy V-type |
| Brake Levers: | Alloy V-type |
| Handlebar: | GT Race, Steel, 6.5″H x 26″W, 8? Back, 4? Up |
| Stem: | GT Top Load 1-1/8″ Aluminum, 50mm Length |
| Grips: | GT Statement |
| Headset: | 1-1/8″ Integrated Design, 45X45 Degree Sealed Bearings |
| Saddle: | GT Uni Mini Kevlar padded |
| Seat Post: | AL integrated w/ Saddle, 25.4 x 150mm |
| Seat Clamp: | Alloy, 28.6mm Single Bolt |
| Extras: | N/A |
Additional Information on BMX Bikes can be found here
AVAILABLE ONLINE & IN-STORE
![Forgotten Hoax 21inTT 20″ [Black W/White Tyres]](https://www.urbnbike.com/wp-content/uploads/2025/9/1758958341/forgotten-hoax-21intt-20-black-w-white-tyres-1758958344.webp)
Reviews
There are no reviews yet.