The center-drive system leverages your chain and 10 speed cassette to operate more efficiently for climbing or reaching higher speeds, it offers better range than a similarly rated hub motor if you manage your gears properly.Because the motor is mounted at the center of the frame along with the battery pack, weight is kept lower which improves stability and the rear rack is left completely open for gear.Even though this model only comes in a high-step “diamond” frame design, it has been engineered with a sloping top tube to lower stand over height which makes holding the bike at rest or walking over it easier, I measured ~31 inches on the Medium 17″ frame.Since the E3 Dash is a speed pedelec the wheels and frame will endure more stress and strain so both axles are upgraded to thicker 12 mm rear and 15 mm front for improved stiffness and better alignment of the disc brake rotors with the calipers and pads.This electric bike is feature complete meaning it comes with all of the supporting accessories you might need for commuting (a rear rack), riding at night or early morning (integrated LED lights) and dealing with inclement weather (full length fenders with mud guards).The suspension fork, larger diameter wheels and thicker tires provide comfort when traveling over longer distances, bumpy terrain and at higher speeds… the ergonomic grips feel good, the saddle is firm for active pedaling.High speed pedal-assist performance (up to 28 miles per hour with active rider input) means you’ll arrive quicker but also drain the battery faster above 20 mph due to air resistance.Extend it by staying under 20 mph and using the lower 1 or 2 levels of assist. Expect the range to be limited around 15 to 30 miles given the higher torque motor and high-speed operation (where wind resistance becomes more of a factor). It comes in three sizes and I was using the medium ~17″ frame which felt slightly small for my 5’9″ build but kept my body upright for improved city riding. I appreciate the included fenders, rear rack and integrated LED lights from Spanninga! This e-bike is ready to go right out of the box and all of the parts match. The speed range of the motor itself is somewhat limited but it’s very powerful which is great for climbing and it’s fairly quiet. To truly reach ~28 mph on this electric bicycle you do have to pedal along and use one of the higher gears. This plastic ring has three buttons… one to enable boost, one to slowly and smoothly reach ~6 mph and another unlabeled button offering full power up to ~20 mph if you’re using one of the higher gears. While this is a speed-pedelec Class 3 with only pedal assist by default, you can spend $50 extra for a boost button to be mounted near one of the ergonomic grips. The 10 speed Shimano Deore drivetrain is solid mid-level and should hold up well if cared for. It’s a more basic motor that does not detect shifting and therefor may strain the chain, sprockets and derailleur more if you try to shift while pedaling hard and using a high level of assist. I found the motor to respond mostly to cadence, to run quietly and to be slightly delayed… both starting and stopping. You get thru-axles for improved stiffness (12 mm rear and 15 mm front) and hydraulic Shimano disc brakes with a larger 180 mm rotor up front for quick stops. This improves balance and frame stiffness while making quick-release on both wheels possible (and easier). The 2016 IZIP E3 Dash features a high torque mid-drive motor while the previous two iterations used gearless direct drive hub motors.
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