Got the following via PlugBike.com (http://plugbike.com/2011/11/10/adam-raga-rides-gas-gas-txt-e-at-eicma-video/)
I don't read Spanish very well but it appears to be an electric conversion kit for a bike made by Gas Gas, a Spanish motorcycle manufacturer. The product page is here:- http://www.gasgasmotos.es/es/trial/380-txt-e.html
Gas Gas TXT-e 4820 Specs:
Engine ETA Electric Motors TXT conversion kit-4820
Chassis Chassis tubular chrome-moly
Tilt Aluminum, progressive system of rods
Front fork Conventional Marzocchi 40 mm aluminum, 177 mm travel
Regulation Adjustable compression and rebound
Buffer Sachs hydraulic monoshock
Regulation Spring preload and rebound adjustable
Travel Rear wheel travel 164 mm
Tire type Radiated in aluminum rim
Rims – Tyres Front: 1.6 x 21 – 2.75 x 21 Michelin Trial
Rims – Tyres Rear: 2.15 x 18 – 4.00 x 18 Michelin Trial TL
Front brake 185 mm floating, 4 piston caliper
Back brake 150 mm disc, 2 piston caliper
Autonomy Between 45 and 120 minutes
Charging time 80% charge in 1 hour, 100% in 2.5 hours
Dry Weight 63 kg
Dimensions Length x width x height: 2,045 x 825 x 1,130 mm
Wheelbase 1325 mm
Seat Height 650 mm
