Showing posts with label motorized bicycles. Show all posts
Showing posts with label motorized bicycles. Show all posts

8/25/2011

E-Zip Mountain Trailz Electric Bicycle, Model# EZ-MT8-BL Review

E-Zip Mountain Trailz Electric Bicycle, Model# EZ-MT8-BL
Average Reviews:

(More customer reviews)
Assembly: I've never assembled a bicycle before, but some assembly is required for the e-zip.I managed to put it together in about 3-4 hours, and someone with experience could probably do it in 1-2 hours.Some parts of the instructions aren't terribly clear, but not too much assembly is necessary.The electric components are already installed, so it's just a matter of putting together the handlebars, front wheel and brakes, and seat.

Range: The claim is that this bike has a range of 18-24 miles, but I don't think this is accurate.My bike will go about 13 miles before the engine appears to run out of energy.The battery indicator says that there's still almost half the energy left in the battery at that point, as there should be, but it acts as though it's run out of juice.

Fortunately my bike commute is just 13 miles, so I can manage with the reduced range.A couple of times when I haven't put as much effort into pedalling, it's run out of juice on me after just about 10 miles, and it's a tough bike to pedal without the electric motor going as it's so heavy.As long as I put some decent effort into pedalling and go a little easy on the throttle, it will get me the 13 miles.You actually don't want to go much further than that anyway, because sealed lead acid battery life is significantly reduced when the battery is discharged more than 80%.

Performance: On my regular mountain/road hybrid bike, my commute takes about an hour, averaging about 13 mph.On this electric bike, the commute takes about 50 minutes averaging about 15 mph.The ride takes significantly less energy, as the throttle makes pedalling much easier.Accelerating and climbing hills (and going against a headwind) in particular are a piece of cake in comparison.

The bike has 7 gears, but I only use about 4, if that many.Most of my ride is spent in the lowest gear going at about 17 mph.If I'm climbing a hill I'll probably drop it down a gear or two until I reach the top.As I mentioned, the motor is engaged with a throttle on the right handlebar, below which is a battery level indicator (full/half/empty).The battery attaches into a slot on either side of the rack on the back of the bike (only 1 battery is provided and necessary).The bike is pretty heavy (50-60 pounds), especially with the heavy lead battery on board.The charger is included and the battery is removable, so you can take it off and bring it with you for recharging.

Battery: Recharging usually takes me 4 hours.The charger claims it takes 6-8 hours, but that's probably if the battery is fully discharged (and you don't want it to be, as that will reduce the battery lifetime, as mentioned).It costs about 0.2 cents per mile (2 cents per ten miles) to recharge the battery, so it's practically free.The battery should last 150-300 charges, and costs about $100 to replace.You also want to recharge it immediately after use to maximize the lifetime of the battery.When I get to work I bring the charger and battery inside and recharge it at my desk, and do the same at home.

The only complaints I have are that I wish the range were a little better and the bike were a bit lighter.A few of the parts are a bit on the cheap side (like the seat), but easily replaceable with better parts if you're so inclined.For $350 I really can't complain.An electric bike conversion kit on its own will cost close to $300, and a regular mountain bike on its own will cost on the order of $400, so $350 for a combination of the two is great.I didn't find any other electric bikes for under $500, so this bike is a great value as long as you don't need to go more than 13 miles at a time.

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Product Description:
All-terrain bicycle boasts a mountain-style steel frame. Reaches a top speed of 15 MPH and has up to 20 mile range with normal pedaling! For ages 13 and up; not to exceed 240 lbs.

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5/14/2011

Currie EZip Trailz Men's Electric Bike Review

Currie EZip Trailz Men's Electric Bike
Average Reviews:

(More customer reviews)
After three test-rides, and having contemplated retro-fitting one of our existing bikes with a Currie electric drive, we decided to go ahead and purchase this bike.As the adage goes, "you get what you pay for" - which is certainly the case with this bike.I didn't expect top-of-the-line componentry, but I did expect better functionality with certain aspects of the build.

As I've ridden it around town, I found that the shifting is a bit clumsy - even after numerous adjustments to the derallieur.I was also aware of the total weight when I purchased it - nearly 70 lbs when one battery is installed - and have come to the conclusion that it is NOT a bike an average person can easily ride around without frequently using the electric assist; it's really a tank (even compared with my Xtracycle loaded with 50 lbs of groceries).I also was sad to discover that my Sunlite pannier could not be attached to the non-battery side of the rear rack because the hooks (on panier) are not set wide enough apart to span the battery placement gap.Another everyday annoyance is the fact that there is no quick-release lever on the front wheel making it a pain if you need to remove the wheel (flat, transport, etc.).

Maybe I can overlook most of the above, but the real headaches came when I got a flat on the rear tire.There is nothing - in Currie's documentation or on their website - that gives any indication on how to remove the rear wheel when you need to replace a tube.I searched forums and everywhere else I could, and came learn that in order to remove the rear wheel, you have to REMOVE THE ENTIRE MOTOR ASSEMBLY - which is not a simple procedure.And, since the motor/drive housing is hardwired (rather than having a plug-in connection) you have to figure out a way to support the motor while it is hanging disconnected from the wheel.This was the worst flat-repair job I have ever had to deal with - and definitely not something that could be accomplished out on the road, even if you had all of the tools you end up needing.I immediately went and replaced both tires with puncture-proof (resistant) tires - and if you are considering buying one of these bikes, I would definitely recommend you have this change made, preferably before you take delivery.

Bottom line: So far the electric assist modes have worked well during riding.It is a heavy, clumsy bike - and really meant to be ridden with the electric motor engaged most of the time, rather than without.I'm not convinced that the distance ratings are accurate.I suspect a more truthful average is 15-18 mi/per single battery. I am totally not impressed with the support or documentation offered by the manufacturer (Currie), and I see alot of room for small but significant improvements on the basic bicycle (quick releases, please!!!).Worth the $500? ... the verdict is still out for me.I think you can buy a higher quality commuter bike for a similar pricetag - it all depends how much effort you are looking to save riding an ebike.

Click Here to see more reviews about: Currie EZip Trailz Men's Electric Bike

Product Description:
Bicycles are a terrific mode of transportation, but sometimes you just need a little extra push while getting around town. Enter the eZip Trailz men's electric comfort bike, which is equipped with a 450-watt DC earth magnet motor and a 24-volt rechargeable battery. Far cleaner than gas-powered scooters but zippier than a traditional bike, the Trailz will get you from point A to B in no time at all, but won't guzzle gas or belch pollutants in the process. The battery offers a range of 15 to 22 miles per charge, so you can make it back and forth to the grocery store several times without running low on power. And once you're on the road, the Trailz boasts a top speed of 15 miles per hour (contingent on the rider weight)--plenty fast enough for most bike-friendly city streets. Is your work commute too far to walk but close enough that a car seems wasteful? Turn to the Trailz, which comes with a rear rack to carry groceries and other gear.

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