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Winter & All-weather Ebiking


Winter Ebike Blog...
Dec 3, 2009

This winter I'll do some writing once a week or so on the trials and triumphs of trying to ebike to work all winter long - in the Edmonton AB area. My big question this past few weeks has been - How long can I hold off before I put on my brand new, store bought studded tires? For the past several winters I've made my own inexpensive studded tires (scroll down for D-I-Y instructions), which have worked somewhat but have caused a few flats. So this year I coughed up the bucks and bought two 20" studded tires, which are a lot harder to find then the more common 26" studded tires. But because they are rare and costly, I want to run my regular tires as long into the cold weather as I can. We haven't had a lot of snow yet, but there have been enough small snowfalls and then melting to create a few icy sections on trails and sidestreets. So, maybe this weekend I'll actually put those fancy studded tires on! Stay tuned... :)

Dec 4/09
OK - it's fully winter now! We've had a blizzard here today, with about 8" of snow in the last 24 hours, so it's definitely time to break out the studded tires this weekend. I also hope to put a front rack on and place one of my two battery packs there to add more weight and traction to my front powered wheel (one of the few drawbacks of driving a semi-recumbent).


Dec 12/09
This week I was able to ebike to work two times, in about -22 or so at the coldest. The real (ie factory-made) studded tires work great! The traction was great, given the ice and snow. On total hard pack ice / snow, it's still possible to slip or spin, but it's still WAY better than using ordinary tires.

Jan 7/09
This week has been great for getting to bike to work most every day... -------------------------------------------------------------------------------------------------------

Welcome to the home of the winter ebiker!

This section features tips, ideas and experiences about ebiking in cold, icy and snowy conditions, as well as links to related resources.   I use my ebike to commute to work year round, and in the Edmonton, Alberta area where I live, that means temperatures of -20 C and usually some snow.

**Please Note**  Damage caused by moisture entering components and wiring WILL NOT be covered by warranty! It is the customer's responsibility to cover and seal connections, wiring entry into motor, and all components if they may be exposed to moisture in riding or storage. Plumber's putty is great for sealing the axles at the bearings, and also for the point where the wires enter the axle. Wiring connections should be well taped with electrical tape. Batteries, controller and throttle should be covered with plastic and taped up.

A Winter Ebike Story - By Gordon from High Level:
Hi Garry,
Ok, my buddy just got a new Nikon and what a better than to stand outside on a very bright, very cold (-35), northern Alberta day, taking pictures of some dummy riding around on an ebike :o). After putting on a pair of long johns, a pair of sweats, and a heavy pair of jeans, and several top garments, i.e. t-shirt, pull-over hoodie, a down filled vest, and a winter parka, not to mention a full balaclava, and mitts, ooooops, just about forgot my big “Baffin” boots, and helmet, I was ready to do battle with the cold. First thing I had to do, was install the battery, I am on holidays right now, so I have the battery in the house. Well, installing the battery was not exactly fun at -35, but I did get it on the rack after a bit of fighting. Must remember at this cold, wires will break. Then it was time to go out and play in the snow, there has been a bit of snow fall since I had the bike out last (Christmas eve to be exact), so I had to push it through some snow. I finally got aboard, and guess what, the spraggs in the rear hub that are suppose to lock up, so you can pedal, didn’t lock up, guess they were on holidays also :o) (due to the cold). So all I could do was hit the throttle and hang on, that is always a fun way to start off in this stuff, no slow easy start, just pin the throttle and away we go :o). As you can see by the pictures, I did not fall over, and the bike just started along great, partly due to the awesome Nokian Mount & Ground 160W tires, did I mention, they are the best winter tire on the market bar none, yes they are more money, than the cheaper tires that have aluminum studs (garbage) but these 160 steel studs with carbide tips are well worth the extra coin, plus the rubber compound is superb. My bike had been sitting out in a cold storage shed for over a week now a even though those tires where as cold and hard as they were, they still griped on the ice, no problem. I feel safer riding my bike than I do walking on the sidewalks around here in High Level. And what can I say about the Crystalyte system that has not already been said, the big thing is to keep your battery fully charged, and if you plan on not riding for a week or so (or more) and if you live in a part of the country or the world where it does get very cold, remove your battery to keep it warm, and that goes for any of them, (I am using SLA). Well I guess that about sums it all up, oh yes, before I forget, you have to have very attention getting lights and I have enclosed pictures of the ones I use, had to get these “Lightmans” through EBay and I could only find them down in the USA, seven LED lights per light, very bright, can be seen over a mile away, very good lights they will either flash or stay on steady, I have the red and amber on the back (of course) red is on steady, the amber flashes, and the white flashes up front.


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My favourite quick winter modification is making your own studded tire at least for the driving wheel, and optionally for both.   Here's a link with detailed instructions for DIY tire studding! (after clicking, scroll to the bottom) http://www.icebike.org/Equipment/tires.htm
Icebike.org is a great site for winter cycling ideas, albeit not specifically ebiking.

Paul Bell, an ebiker in Quebec, writes about his experience with studded winter tires:
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As far as tires go I have tried the Innovas but they only last me around 1500 kms of riding. This is about 2 months worth. I then switched to Nokians and they lasted two winters (guess of 7000+ kms and they were used. Studs are still pretty good but had to retire them do to the sidewalls failing. I have a new set this year and hope to get 3-4 years out of them and 10 000 + kms  but wil lhave to wait to see the results of this :) My recomendation would be the Nokians to anyone using power assist (higher speeds than normal winter riding) and doing more than 10 kms a day commuting on mostly exposed pavement. I wore out my Innovas before I had power assist as well. Don't get me wrong though, the cheap Innovas worked great on ice. They just are not meant for high milage pavement riding. On the plus side they have a re-studding kit for around $20. My tread is still great on the Innovas, only studs are worn below the rubber :)
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A great winter accessory is the most recent version of the Cycle Analyst, which is backlit for those long dark winter evenings and early morning commutes. The Cycle Analyst is a combination speedometer and multi-function electric gauge, telling you many important statistics about your battery life, watts used, and amp-hours pulled from a battery.   Cost is $140.

I welcome your emailed questions and tips and photos on winter ebiking.

Batteries:  NiCad batteries lose some hill-climbing oomph in the cold, but NiMh seem to not lose as much zip. This can be overcome by keeping the battery inside when not riding, and also using an insulated battery bag or case.   For 2 winters I used SLA batteries, which lose a bit of power in the cold, but I no longer recommend SLA's for serious ebike use as they have a fairly short lifespan.  What batteries have you found to work best in winter? Email me... 

Patrice in Quebec emailed to say:
Up to now, the NiCad is OK...  I put the battery into an insulated rear rack bag, like this one:
Insulated Bag

 
At first I tought it could overheat, but instead it seems like it was a good idea, with winter coming in!  And this bag is inside my
Rear Hardshell Carrier

Hardshell Carrier
 
so it keeps hot, when I get my ebike out of the garage..
 
For now the battery suits my needs, as I don't plan to bike all winter long (this may change... We'll see)
I'm very satisfied with the battery range (about 20+Kms).