2019 Trek Bicycle Powerfly 5 Women's , 2019 Trek Bicycle Powerfly 5 Women's 15.5 in Powerfly 5 Women's is an e-MTB that pairs the boost of a Bosch electric bike system and the sleek looks of a traditional trail bike. The Removable Integrated Battery (RIB) is fully encased in the lightweight aluminum frame but doesn't require tools for removal. This user-friendly electric mountain bike is built in Trek's performance trail heritage with exclusive tech, great suspension, and a motor that can help you sustain speeds of up to 20 mph. Features may include: ABP Our patented Active Braking Pivot allows your suspension to work freely whether you’re on the brakes or off. It’s smooth, controlled suspension that’s at its best all the time. Straight Shot w/Knock Block Trek’s all-new Straight Shot frame design featuring Knock Block frame defense optimizes stiffness-to-weight ratio for a more responsive ride. Bosch Performance CX Bosch’s Performance CX line is made for rugged off-road use with a maximum torque of up to 75 newton meters, sustained power into the high cadence range for sporty acceleration, and a sleek mid-mount motor for ideal weight balance and obstacle clearance. Bosch Purion Display Bosch's Purion display features a fully-functional speedometer with a backlit display, service interval indicator, and battery range indicator. Its thoughtful design allows riders to scroll through functions or choose the right level of support while maintaining contact with handlebars. Motor Armor This unique protection-shield made of lightweight but robust aluminum protects the motor against stones. Alpha Platinum Alluminum Our premium lightweight aluminum is continuously cold extruded and butted at multiple points, and hydroformed into sophisticated tube shapes for maximum strength and minimum weight. Boost148/110 Wider dropouts (110mm front, 148mm rear) give you the stiffness of a 27.5" wheel with all the benefits of a 29" wheel, and Boost148 in the rear lets you run wider tires and a larger chainring without affecting q-factor and pedaling efficiency. WSD: fit for women A great-fitting bike is a joy to ride. The better the fit, the greater your comfort, stability, power, and control. And nothing fits better than Trek WSD, Women’s Specific Design. Your perfect ride starts here. Removable Integrated Battery RIB is a one-piece battery and cover with a built-in handle that can easily be removed and re-installed in the frame with no tools and no hassle. It’s the most convenient way to remove your battery for transport, security, or just easier charging.