If you're ready to rip, then the Quad is ready for you. With a 500 watt hub motor and custom dropout torque sensor the Quad is super powerful, yet pleasantly smooth. The large, 3.5" colour display makes it easy to track your speed, assist levels, battery, and many other ride details. Finally, a set of supple Maxxis Rekon+ Skinwall 27.5" x 2.8" 35PSI plus size tires with 3C and EXO casing hep to smooth out any bumps along the way. This bike is available with two sizes of battery: 14ah or 20ah. - SR SUNTOUR XCM 32, 29ER SUSPENSION FORK (100MM WITH AXLE THRU HUB) - TEKTRO DORADO HYDRAULIC QUAD PISTON DISC BRAKES EMTB SPECIFIC, WITH MOTOR INHIBITORS - SRAM X5 9-SPEED DRIVETRAIN - SELLE ROYALE ERGONOMIC GEL SADDLE - POWERFUL BÜCHEL LED HEADLIGHT Price: $3599.99 for 14ah | $3999.99 for 20ah