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Front Folding Bike CA3 Kit

Front 250-500W Ready to Roll Kit with 250-300 Watt Direct Drive Hub Motor, Downtube Battery, Baserunner, V3 Cycle Analyst and PAS/Torque Sensor Options. 

From USD$615.00

To USD$2,755.10 Regular Price USD$2,930.10

In stock

SKU
KIT-MFSAW20F_RTR
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Customize Front Folding Bike CA3 Kit

The small SAW20 motors come in a fairly fast 12 rpm/V winding speed to compensate for the smaller wheel diameters in which they are typically laced. These hubs fit forks with 75mm dropouts but with a standard 10mm dropout slot. 

The M12x1.25 axle is compatible with our standard front torque arms. 

MSAW20F

Crystalyte 20mm SAW Motor, Fast 13RPM/V Wind, Unlaced. 75mm Axle length. Z910 Connector with Thermistor

Crystalyte 20mm SAW Motor, Fast 13RPM/V Wind, Unlaced. 75mm Axle length. Z910 Connector with Thermistor

GRIN Front Torque Arm for Mounting on Forks with Fender Eyelets. Thick 1/4" Stainless Plate. Also Available on Amazon for US customers Full Product Information Page

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GRIN Front Torque Arm for Mounting on Forks with Fender Eyelets. Thick 1/4" Stainless Plate. Also Available on Amazon for US customers Full Product Information Page

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Z910 Extension Cable (60cm)

60 cm Motor Phase Extension Cable with Waterproof Z910 Plugs. For Baserunner Installations with Front Hub Motors

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60 cm Motor Phase Extension Cable with Waterproof Z910 Plugs. For Baserunner Installations with Front Hub Motors

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The kit will run with any battery pack from 24V to 52V nominal (and up to 72V with a Phaserunner).
We offer a range of batteries that will work well depending on the geometry of your bike, the range you need on a charge, and how fast you want to go.  Please see our battery info page for more details on the different pack options.  
Be sure to select a charger model that matches the voltage (36V, 48V, or 52V) and connector style (ST3 or XLR) of the chosen pack.  

The Baserunner Z9 Stand Alone controller supports up to 55A peak phase currents and should be screwed to the aluminum mounting bracket for heat sinking. The battery lead is terminated with anderson powerpole connectors. 

V6 Baserunner_Z9 Stand Alone

Grin Baserunner V6 Compact FOC Motor Controller with Z910 Motor Plug, 55A Peak Phase Current. Special Stand-Alone Model with All Cables Exiting the Front. Includes 90cm Long Battery Lead. For 24-52V Batteries (60V Max Input). 

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Grin Baserunner V6 Compact FOC Motor Controller with Z910 Motor Plug, 55A Peak Phase Current. Special Stand-Alone Model with All Cables Exiting the Front. Includes 90cm Long Battery Lead. For 24-52V Batteries (60V Max Input). 

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The V3 Cycle Analyst is an integral part of this kit system that ties together the throttle, ebrake, PAS, and torque sensor signals into a highly configurable platform that can be readily customized for a range of performance behaviors you can't get anywhere else. As a display it may look a tad clunky, but the functionality it offers is simply unparalleled and continues to increase with each new firmware release.

CA3-WPx

V3 Direct Plug Cycle Analyst with Waterproof 8 Pin HiGo CA Plug for Ready to Roll Kits.110 cm cable length. Mounting bracket not included. 

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V3 Direct Plug Cycle Analyst with Waterproof 8 Pin HiGo CA Plug for Ready to Roll Kits.110 cm cable length. Mounting bracket not included. 

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Stainless Steel Mounting Plate for Attaching CA to Bicycle Steer Tube

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Stainless Steel Mounting Plate for Attaching CA to Bicycle Steer Tube

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CA3_MFSwitch for CA3-WPx

Multifunction Switch for CA3-WP, with On/Off Power, Up/Down Digital Aux Buttons, and Screen Toggle. 45 cm cable length.

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Multifunction Switch for CA3-WP, with On/Off Power, Up/Down Digital Aux Buttons, and Screen Toggle. 45 cm cable length.

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The small SAW20 motors come in a fairly fast 12 rpm/V winding speed to compensate for the smaller wheel diameters in which they are typically laced. These hubs fit forks with 75mm dropouts but with a standard 10mm dropout slot. 

The M12x1.25 axle is compatible with our standard front torque arms. 

There are a number of optional electronic and mechanical accessories that can help flush out the build. This includes front and rear bike lights, phone chargers, wire management, programming cables, and what have you. 

Handlebar Phone Mount with both Wireless and USB Charging, Wide 12-95V Input Range.  

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Bike tracker that works with Apple Find My  

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Wide Voltage Range (6-60V), 3 watt Ebikes Light, Fork Fender mounting. 50cm cable, 5.5x2.1mm DC Jack. On/off Switch, Powers off Cycle Analyst or Superharness. StVZO Compliant.

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Grin 12 LED Front E-Light, 72V Ready

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Super Bright (Max 1900 Lumen) Ebike Light with Handlebar Button and Hi/Low Beam Modes and Daytime Run Lights as Well. 12-60V Input Range with Reflective Cutoff Optics. Plugs Directly to Cycle Analyst.

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Main9 to DC 5.5mm x 2.1mm Male Adapter, 1m long. Provides Convenient Power Source for Rear Bike Lights from Unused Main9 Plug in Controllers with V3 Cycle Analyst  

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180cm DC Accessory Extension Cable

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Rear Ebike Light, No On/Off Push Button, 6-60V Input Range with DC 5.5x2.1mm DC Jack. 

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Parallel Anderson Cable for Baserunners Installed in Reention Case. Simplifies Dual Controllers or Dual Battery Systems.  Must be purchased with Baserunner and Reention battery

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4 Pieces of Snap Together Black Plastic Cable Raceway, 15 and 20mm Wide, 50cm long. Self Adhesive Tap Bonds to Bicycle Tube, Perfect for Hiding Cable Runs. 

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Cable Bundling Kit, includes Spiral Wrap, Zip Ties, and Velcro Sleeves

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Laser Engrave 250 Watt Continuous Power Rating on Motor Side Plate.  This is Truthfull. ALL Hub Motors Offered by Grin Have an Operating Point (RPM and Allowable Temperature) Where They Can Only Sustain 250W. 

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3m Long TTL-> USB programming cable for Satiator, Baserunner, Phaserunner and Cycle Analyst. *Note: All kits come pre-programmed, and most system behaviour is configurable with the Cycle Analyst buttons. But this cable is necessary if you plan to change more advanced controller settings or update device firmware* Full Product Info

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Schwalbe Big Apple 26" x 2.15 Puncture Resistant Tire. 

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Your Customization
Ready to Roll Kit with G311 Front Motor, Downtube Battery, Baserunner Controller, PAS/Torque sensors etc.
Front Folding Bike CA3 Kit

In stock

USD$624.00

Unable to add to cart because these items are out of stock:

Actual cruising speed/perfomance under any loading conditions is well modeled in our simulator.
Launch Motor Simulator with Front Folding Bike CA3 Kit

Summary
  • Front Direct-Drive Motor:
    1 x MSAW20F
    SKU#: M-MSAW20F
  • Front Torque Arm:
    1 x V2 Front Torque Arm
    SKU#: TA-TorqArm_V2
  • Extension Cable from Baserunner to Motor:
    1 x Z910 Extension Cable (60cm)
    SKU#: W-Z910_Ext_60
  • Z9 Controller SA:
    1 x V6 Baserunner_Z9 Stand Alone
    SKU#: C-BRZV6_SA
  • V3 Cycle Analyst with Waterproof Plug:
    1 x CA3-WPx
    SKU#: CA-CA3-WPx
  • CA Mounting Bracket Style:
    1 x Steer Tube Mounted Bracket for Cycle Analysts
    SKU#: CAP-CA_SteerBracket
  • Multifunction Switch Assembly:
    1 x CA3_MFSwitch for CA3-WPx
    SKU#: CAP-CA3_MFSwitch

Front wheel conversion kit for folding bicycles based around a 250-500 Watt Direct-Drive motor with the standard M12 Axle with 10mm flats. For Dahon, Bike Friday, and similar folding bikes with narrow 75mm forks but standard dropout width. Including the Baserunner motor controller tucked neatly in a downtube battery, the CA3 with accessories, and pedal assist systems. This setup includes everything configured out of the box for the ideal for a minimal, lightweight commuter ebike with pedalec control.

For details on the PAS/Torque sensor selection, see the Advanced PAS Kit Info Page