Parts and upgrades for the Stomp Haywire Enduro, the 21 kW (28 hp) full-size e-moto. The Haywire uses a traditional motocross chassis layout, so this page is built from our universal E-MX catalog: grips, tires and tubes, 520 chains, handguards, displays, throttles, stands and maintenance gear.
Stomp Haywire stock specs that matter for parts
Motor: 21 kW (28 hp) hairpin PMSM.
Battery: 74V 50Ah NCM lithium, hot-swappable.
Wheels and tires: 21 inch front (J21 x 1.60) and 18 inch rear (J18 x 2.15). 80/100-21 and 110/100-18 soft compound enduro tires with rim locks.
Brakes: 2-piston calipers, 270mm x 3mm front disc and 240mm x 4mm rear disc.
Drive: 520 chain, 114 links, through a gearbox. 49T rear sprocket.
Suspension: Fast Ace fully adjustable fork with 245mm travel and a Fast Ace linkage rear shock with 81mm travel.
Seat height and weight: 919mm (36.2 in). 110 kg (243 lb) dry.
Frame: dual wing cage chromoly steel with an aluminum bash guard.
Fitment is listed on every product. Check the fitment tab before ordering, and ask our techs if you want a part confirmed against your build.