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Arc Feather - 250W - DIY Electric Bike Kit - 26"

The lightest weight, easiest kit to install DIY conversion kit. Arc's basic, bare-bones conversion kit is by far the easiest conversion kit to install we've ever seen. With such a light weight system, you will barely notice the presence of the powerful 250W front hub motor. It's as easy as changing a wheel. All the connectors are colour coded, plug and play. The Samsung cell battery and motor controller are hidden away in a custom made satchel that attaches to the handlebars of your regular bicycle. A very stylish, easy to use conversion kit that will delight with impressive performance in such a lightweight, compact layout.

We suggest the use of ARC Universal Torque Arm for all front hub motor kit purchases to ensure the long-term integrity of front forks.

Regular Price: $629.00

Special Price $599.00

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Product Description

Details

Simple layout

For those that are looking to dip their toes in the DIY conversion kit world and you're looking for a simple, quick to install conversion kit, the Arc Feather is a great option. Thanks to the simple layout, the work to install this kit is minimal. The handlebar mounted battery and controller satchel looks very tidy and will easily mount to virtually any bicycle with handlebars!

Samsung 29E

There's not a large battery for this kit (to keep it compact and light) however the cells used are top notch. The Samsung 29E cell is not a cheap option, but it does deliver both high discharge and high capacity. For a small battery pack, high discharge characteristics are favorable as there is an increased load on fewer cells at maximum power. The same goes with capacity, a small pack with higher capacity cells will compete in range with a medium pack of lower capacity cells.

36V performance

When moving to a small battery pack, some companies take the voltage down to 24V. Technically speaking, that's not the best solution. As you decrease voltage, the current draw must also increase to get the same overall performance. Normally 250W controllers will be limited to 15A, regardless of the voltage. So if you cheap out on the number of cells in series to give more Amp-hours, you're going to sacrifice performance. At 36V, the Arc Feather kit has the same power as the higher prices Arc Street kit.

Light weight

The weight of something you carry up high on the handlebars can change the way your bike feels to ride. The battery and controller satchel used on the Arc Feather kit is only 2kg which is similary in weight to a decent waterbottle. This low weight is crucial to the handlebar mount design. The weight of the motor wheel is only 3.9kg so the weight you will add to the bike is not a great deal at all. In fact, this is by far the lightest conversion kit we have ever seen.


Installation

Will this kit fit my bike?

There are thousands upon thousands of different bikes out there, so there is no list to guarantee that it will, however almost all bikes, whether they are mountain bikes, road bikes, cruisers, choppers, BMX or whatever else, have a very standard axle slot width (approx. 10mm), standard front and rear fork dropout widths (approx. 100mm and 135mm respectively) which our kits are universally compatible with. The front-on profile of the motor wheel is also very similar to that of a normal wheel, so clearance on the fork section is also not a drama. If you dropout dimensions are within 5mm of this then that is generally acceptable. To use the pedal assist sensor your bike must have the standard internal bottom bracket bearings and about 4mm clearance on the crank axle on the non-drive side of the bike. If this isn't practical, you can easily use the kit without the pedal assist sensor, or change your bottom bracket.

- What Size Conversion Kit Do I Need?

The information you need to know will be written on the tyre of the bike you’re converting. It’s not the diameter of the rim alone, it’s a complicated measurement that is annoying to work out from measurements of the wheel, rim and tyre. The easiest, most straightforward way to know what size you need is to look at the info on the tyre. It should read 20, 24, 26, 28 or 700C somewhere on the sidewall.

- What’s The Difference Between 700C, 28″ And 29er?

It’s a complicated measurement and there is often confusion around this question. If you own a 29er, 28″ or 700C wheel bike, you need to order a 700C kit which will be the correct kit for your bike. The 29ers can have wider rims and hubs, so check the dropout clearance prior to ordering. We have not yet had a 700C, 28″ or 29er that has been incompatible. So long as you select the 700C listing and use the tyre that was on your wheel, your 29er will make a great electric bike. The rims in the kit are 25mm wide (outer width) and can take from a 38C tyre.

Additional Information

Additional Information

GENERAL

Designation Street use
Nominal Power 250W
Peak Power 350W
Cruise Speed 25km/h
Max Range 40km
Average Range 35km
Max Rider Weight 120kg

BATTERY

Battery Chemistry Lithium Manganese Oxide
Nominal Battery Voltage 36V
Charged Battery Voltage 42V
Battery Capacity 8.7Ah
Nominal Battery Energy 313.20Wh
Battery Cell Type 18560
Cell Spec Samsung INR18650-29E 2,900mAh
Cell Configuration 10S 3P
Built in BMS Yes
Battery Charger Type SANS 2A
Battery Charge Time 4 hours from empty

MOTOR

Motor Brand ARC
Motor Model 250W Street
Motor Voltage 36V
Max Motor Power 350W
Drive Type Geared
Motor Sensors Hall Sensor

CONTROLLER

Controller Brand ARC Sinewave
Controller Operating Amps 15A

WEIGHT

Total Weight - No Battery 3.9kg
Battery Weight 2.1kg (with controller)
Total Weight 6kg total weight

Whats in the Box?

Reviews

Customer Reviews (2)

The Arc Feather 250 watt = great electric bike Kit Review by Sterle
Functions as Described
Overall Rating
Price
I had this kit attached to my bike recently but due to circumstances it has taken a while for me to get out and go for a ride - so I did that today 05.11.18. This is a great product - plenty of assistance for me and I was cruising along at around 25km when I needed it. It looks really compact and neat on the bike and is very easy to use. Love it! (Posted on 5/11/2018)
Awesome!Review by fatboykim
Functions as Described
Overall Rating
Price
Fitted this to my 40 yr old steel frame 28" bike from the tip and runs amazing. Needed to file the drop outs a little to fit, a mm on either side, really simple and easy. Probably didn't need to, but I felt that I needed to tighten and true the wheel slightly. Everything else just clipped on. Loads of power for assistance even in low. Can ride up any hill at nearly 30km an hour without a fuss. Would recommend to anyone thinking about getting an electric bike. Only disadantage I can think of is that the battery/controller bag could be removed by thieves and am trying to think of a method to secure it to the bike. Suggestions would be appreciated (Posted on 23/07/2017)

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