The Academy Trooper 18” BMX Bike is an affordable way for smaller riders to get into BMX. Its compact frame and 18” wheels offer a manageable setup for building confidence and learning the basics.
With sealed front and rear hubs, a sealed MID bottom bracket and three-piece chromoly cranks, the Trooper packs practical features into an entry-level bike. Finished in Matte Black, it keeps the look clean and maintenance simple.
Specifications
- Frame: Hi-Ten steel, 18” top tube, 12.2” chainstay
- Geometry: 75° head tube / 71° seat tube
- Fork: Hi-Ten steel with tapered legs
- Handlebars: Hi-Ten steel, 8” rise × 25.2” wide
- Grips: Family
- Headset: 1⅛” external
- Stem: Academy forged alloy top load, 40mm reach
- Cranks: Three-piece tubular chromoly, 140mm
- Bottom bracket: Sealed MID
- Gearing: 25T sprocket / 9T cassette driver
- Chain: KMC
- Pedals: Plastic
- Rims: 18” single-wall alloy, 36-hole
- Tyres: Family F641, 18” × 2.3”
- Spokes: Black stainless steel
- Front hub: Academy alloy, sealed bearings, ⅜” axle
- Rear hub: Academy alloy cassette, sealed bearings, 14mm axle
- Seat: Academy railed
- Seatpost: Steel, 25.4mm
- Weight: 12.2kg
Please note:
Specs and colours may vary slightly. Clear-coat finishes reveal natural weld marks—each bike has its own unique character.
| SKU | 884528 |
| Barcode # | 9349936018439 |
| Brand | Academy |
| Shipping Weight | 10.0000kg |
| Shipping Width | 0.220m |
| Shipping Height | 0.450m |
| Shipping Length | 0.800m |
| Shipping Cubic | 0.079200000m3 |






