Steppenwolf Men's Haller E1 Electric Bicycle Frame/Fork: lightweight aluminum 6061 frame on Suntour ncx-d e-bike Lo 700c Fork Comes 99% Assembled Wheels/tires: schwalbe marathon 40-622 tires on shimano slx/mach 1 M250 disc tires Drivetrain: Bosch Active Cruise 25 km/h Generation II motor. Four assistance settings are available depending on conditions and rider preference. Brakes/Cockpit: shimano disc br M398 180 mm disc Brakes; lowrizer 680 mm handlebars on steppenwolf adjustable stem; selle royal freccia saddle Extras: bosch power pack battery (11.6 amp-hour/400 watt-hour capacity) busch & muller lumotec let headlight; busch & muller top light mini taillight