![]() The big difference between that system and the E3 Peak is that it can sense when you shift gears and the Peak cannot. It’s not surprising that some of the higher end centerdrive bikes like the Haibike XDURO RX 29″ also only offer 10 speeds. With a 10 speed SRAM X7 cassette in the rear, I found that there were enough gears to climb and reach the higher 28 mph top speeds without adding too much complexity or weight to the system with a second derailleur and more front rings. This front ring is a standard sized 38 tooth design and looks relatively normal from the side. The chain ring that it pulls has a built in aluminum alloy bash guard guide designed to protect the sprocket teeth and probably the motor to some extent. I like how small the motor casing is and that it keeps weight low and center on the frame. It’s not super loud but definitely not your quietest motor either (mid-drives tend to produce more noise when operating at high RPMs in lower gears). It has taken me some time to warm up to this motor between 2013 when I first test rode a prototype Peak and now (late 2014) and I feel like it has become more responsive and refined in that time. ![]() The centerdrive motor on the IZIP E3 Peak is a 350 watt geared design from TranzX. While the motor isn’t responsive as something like Bosch or Impulse, it’s certainly powerful and very capable. It’s a solid ebike available through a wide network of IZIP dealers nation wide in the US and it comes with a decent warranty all for a reasonable price. Compared to the 2014 E3 Peak, the new model has changed colors (from black and green to black and orange), has an improved display panel mount that’s sturdier and also swivels for reduced glare, an upgraded button pad that blends in more and is easier to reach, a redesigned frame with pierced head tube allowing cables to stay more organized and out of the way while running through the frame, wider rims for improved handling along with an upgraded anatomic saddle and finally a 10 speed cassette vs. The E3 Peak also has a twist throttle that’s capable of reaching ~6 mph without pedaling or 20 mph with and this is useful for overcoming short climbs while pedaling with lower levels of assist (simply twist the throttle vs. What really sets it apart is the 28 mph speed pedelec capability which allows the motor to stay active at higher speeds in pedal assist mode. The 2015 IZIP E3 Peak is a mid-level off-road electric bike that’s comfortable on trails or pavement thanks to an upgraded RockShox suspension fork with lockout. The twist throttle has been dropped but IZIP now offers an optional $50 boost button instead. This review is for the 2015 IZIP E3 Peak, click here for the most recent review which features a drivetrain upgrade, lower price point and a new color scheme (black with blue accents).
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