From: $270.00

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Throttle Type – optional

Ebrake Type – optional

Mac Motor & Axle Type

Mac Motor Wind

Rim Type – optional

Spoke Type – optional

Controller Type – optional

Torque Arm (Recommended, 2 can be fitted for extra security) – optional

Freewheel Type – optional

36V Frame Pack Options – optional

42V Charger (for 36V, 10S NCM/NCA battery) – optional

AC Plug for Charger – optional

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Note: Front motors are temporarily unavailable and cannot be ordered. A new version will be ready and is expected to arrive within June until possibly mid-July (comment made 10/06/2016).

The Front Wheel version of the Mac motor is quite tight to the fork on the non-disc side of the motor. Please refer to the drawings listed below to confirm the motor outline will match your fork.

Note: Battery-Fed Shipping MUST be used for shipments including a battery. Lead time for Batteries is ~2 weeks, prior to shipping (if the battery is not built, in stock). Battery-Fed shipping typically requires up to 2 weeks shipping time.


Our Mac Kit with Frame Battery Pack includes:

  • Upgrade Mac motor (includes upgrade stator and temp sensor) in a built Alex wheel rim of your choice using 13G Sapim Spokes. See Upgrade Mac Kit for more information.
  • 25A 6fet 3077 Programmable Infineon Controller with matching throttle, 3 speed and Cruise, as well as a bar mounted power switch and a choice of ebrakes.
  • 36V Frame Pack and charger with a choice of Capacity Options.
  • Interconnections between the Motor, Controller, all Accessories and the Battery are plug and play.
  • The combined cost for the kit with battery is at a reduced rate compared to purchasing the items individually. Additional accessories such as suitable Freewheel, Disc Spacer, Torque Arm and Cycle Analyst are offered at reduced rates compared to purchasing separately.

The combination of controller, battery and motor have been selected to ensure all parts are suitably matched and working within the recommended limits. Instead of offering choices for motor windings, we have offered a range of typical cruising speeds that can be expected on the flat. We will try our best to provide a motor that will meet or exceed the requested speed.

Please note:

  • There is limited space for the Disc Brake Calliper when using the Mac Motor (15mm clearance only). This means that many better quality and/or Hydraulic Disc Callipers may foul the Motor. So we offer a 2.5mm thick disc spacer to enable more clearance. Another option is to convert to 203mm Disc. With a larger Disc installed, the Calliper can clear the hub and avoid these clearance issues. See: Mac 500W Rear Motor Outline and Mac 500W Front Motor Outline. Please ensure you understand this point and take measures to overcome any possible issues.
  • The Mac motor uses a screw on freewheel, it cannot use a cassette. The 11T DNP are popular as it allows you to pedal to a higher speed. The Mac can accept a 7 speed without any additional spacers (135mm axle width). If 8, 9 or 10 speed are used, a spacer of ~4mm is required and the axle width will increase to ~139mm (spacer will be provided). Difference between a Freewheel and a Cassette.
  • A Torque Arm is not absolutely essential at this power level, but they are recommended. We offer the full range of Genuine Grin Tech TAs (manufactured in Canada). Choose the appropriate TA according to your motor choice (Front/Rear) and the design of the Fork. See:Rear Rev4, Front Rev3 and Front Rev2 designs. A motor spinout on a front hub motor installation can be particularly unpleasant, so some will opt for dual front TAs. It is recommended only steel front forks are used for a Front Hub Motor installation. A suitably construted DIY Torque Arm is fine. We only recommend you consider this point and take suitable precautions to avoid a motor spinout.
  • The HWBS Ebrake Sensor allows you to retain your original cable type meachical brakes and brake levers. The HWBS sensor mounts inline with the brake cable and detects when the brake is pulled. HWBS sensor is not suitable for Hydraulic brakes. 1pc HWBS sensor is ordinarily supplied, it is not necessary to have a sensor on both front and rear brakes, 1 is enough in our opinion. Ebrakes are strongly recommended with this Kit as it has a Cruise Function.
  • When the Upgrade Mac kit is combined with the V3 Cycle Analyst, it opens up the possibility to have Motor Temperature Monitoring and Power Rollback if motor temperature exceeds a programmed limit. It also allows various control functions and PAS Assist devices/modes when combined with the appropriate PAS Device. V2 CA is a simpler device that can still allow on the fly speed, current or power limiting to be accomplished.
  • The PAS Display/Sensor allows more control over the PAS function that you get with the PAS directly connected to the controller, see listing here for more info.

More info on the Mac motor here.

Ebrake Type


1pc Generic Sensor (Hydraulic Brakes), Mechanical Ebrakes Lever (pair), 1pc HWBS Sensor (Mechanical Brakes)

Mac Motor & Axle Type

Motor Type/Axle

Fat Bike Rear, Freewheel, 170mm, Standard Front, 100mm, Standard Rear, Cassette, 135mm, Standard Rear, Freewheel, 135mm

Mac Motor Wind

Motor Option:

10T 40KPH (25 MPH) at 48V/26″ Rim, 12T 32KPH (20 MPH) at 48V/26″ Rim, 8T 50KPH (30 MPH) at 48V/26″ Rim

Rim Type

Rim Type

20″ Alex DM18 CNC, 20″ Alex DM24 CNC, 20″ Stars J57S (Black), 20″ Stars J57S (Red), 24″ Stars J57S (Black), 24″ Stars J57S (Red), 26″ Alex Blizzerk Pro 80, 26″ Alex DH19 CNC, 26″ Alex DH19 Disc, 26″ Alex DM24 CNC, 26″ Alex DM24 Disc, 26″ Alex DX32 Disc, 26″ Alex MD35 Disc, 26″ Stars J57S (Black), 26″ Stars J57S (Red), 650B Alex DH21 CNC, 650B Alex DH21 Disc, 650B Alex MD35 Disc, 700C Alex DH21 CNC, 700C Alex DH21 Disc, 700C Alex DM24 CNC, 700C Alex DM24 Disc, 700C Alex MD35 Disc

Spoke Type

Spoke Type

13G Sapim Black, 13G Sapim Silver, Without Wheel Build

Controller Type

Controller Type

6 fet 3077 (36-52V, 25A)

Torque Arm (Recommended, 2 can be fitted for extra security)

Weight 0.2 kg
Torque Arm (recommended)

Front Rev2, Front Rev3, Rear Rev4

Freewheel Type

Freewheel Type

10sp DNP (11T), 6sp Shimano, 7sp DNP (11T), 8sp DNP (11T), 9sp DNP (11T), Single Speed (16T)

36V Frame Pack Options

36V (10S) Battery Option

36V 10.5Ah Standard Pack (10S5P-22P), 36V 12.6Ah Standard Pack (10S6P-22P), 36V 15.5Ah High-Energy Pack (10S5P-33G), 36V 17Ah High-Energy Pack (10S5P-MJ1), 36V 18.6Ah High-Energy Pack (10S6P-33G), 36V 20.4Ah High-Energy Pack (10S6P-MJ1)

42V Charger (for 36V, 10S NCM/NCA battery)

42V Charger

42V 2A Plastic Case, 42V 6A (with 80/90/100% Switch)

AC Plug for Charger

AC Plug Type

Australia/NZ, Europe, UK, USA


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