Built into the pack is a small LED charge level indicator so you can tell how full it is without connecting to the bike and powering up. The battery cells used here are Lithium-ion which is valued for being relatively light weight, durable and long lasting. It’s a locking pack that secures directly to the frame for security but is also removable for easier transport or convenient charging inside your home or office. The battery pack on the E3 Peak DS offers a strong 48 volts of power (which is also more efficient than 36 volts) and a decent 8.7 amp hours of capacity. During my tests, there actually wasn’t too much mashing going on even without braking so it might not be a huge issue depending on how you ride. On the Peak DS, if you lightly squeeze the brake levers the motor will stop and this imitates shift sensing. The big difference between the higher end centerdrive motor system and the E3 Peak DS is that they (Bosch and Impulse) can sense when you shift gears ease off for a second to reduce mashing which causes chain and sprocket wear. There are actually a lot of mid-drive off-road ebikes that limit gears to 10 and I think this makes the system more durable overall, reducing the need for tuneups. With a 10 speed SRAM X9 cassette in the rear, I found that there were enough gears to climb and reach the higher 28 mph top speeds without limiting pedal cadence or over complicating shifting. 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 and 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). The first time I tested this motor was in late 2014 on a hardtail E3 Peak and since then I feel like it has become more responsive and refined. The centerdrive motor driving the IZIP E3 Peak DS in electric mode is a 350 watt geared design from TranzX. With two frame sizes, excellent distribution and a solid warranty, there’s a lot to like about the E3 Peak DS and frankly, I think it looks very cool. The closest comparable ebike that I’ve reviewed would be the Haibike XDURO FS 27.5″ and at just $400 more, it’s well worth considering in my mind – depending on your ride needs. In my opinion, there are better mid-drive systems out there (namely from Bosch), but they currently don’t offer throttle mode or high speed performance. CST tires along with the custom full suspension frame. RockShox suspension, larger hydraulic disc brakes and Maxxis vs. Comparing the two models, the $1,400 price differential goes towards an upgraded SRAM X9 vs. With 120 mm travel front and rear, this thing is comfortable on or off-road but lacks the utility of rear rack and fender mounts that its more affordable cousin the hardtail IZIP E3 Peak offers. The 2015 IZIP E3 Peak DS (Dual Suspension) is a full suspension electric mountain bike that offers a unique combination of twist throttle and speed pedelec performance capable of 28 mph top speeds that’s hard to find anywhere else. It’s a great climber but is probably best suited to large sweeping trails and fire roads vs. The primary feedback for this and the hardtail E3 Peak for 2016 is that they use a high torque motor that operates quietly but is not super responsive (and lacks shift sensing). Feel free to chime in with updates in the comments below if you have seen the new version of this electric bike in the wild recently. It still appears to have a half-grip throttle and the paint job is largely the same but the iconography on the side may have been enlarged and less red is used along the top tube. 28 mph in 2015 and if this is correct the bike would shift from Class 3 to Class 2. The website lists 20 mph as the top speed vs. The 2016 IZIP E3 Peak DS remained largely unchanged from 2015 and I was not able to get a sample unit for review. You can read more in the full review here and feel free to compare the two side by side with the “compare” option above. The latest version of the bike has been upgraded to a Bosch centerdrive and is available in two frame sizes. This reivew is outdated but might be useful if you’re finding a used model or considering a deal on prior-year equipment.
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