Front Brompton SuperH Conversion Kit with 250-500 Watt Direct Drive Hub Motor, your choice of UART display, Lithium Battery, V6 Baserunner Controller, and PAS/Torque Sensor Options.
Front wheel conversion kit for Brompton folding bicycles based around a 250-500 watt Direct-Drive Crystalyte motor laced in a 16" ETRTO 349 rim. Motor axle is 75mm long with a 3/8" axle ground to 8mm on the flats, and fits in the Brompton fork with no modifications. A pair of torque arms mate with the dropout's anti-rotation hole to prevent spinout.
The compact Baserunner mounts on a custom bracket behind the fork and does not interfere with the folding. The Brompton SuperH kit with your choice of UART display, battery pack, and PAS/Torque sensor options. The basic display kits have a modern looking screen but are not as customizable as our Cycle Analyst systems. Please see our Kit Styles page for more details.
The small SAW20 brompton motors come in a fairly fast 12 rpm/V winding speed and are prelaced in a 16" ETRTO349 rim. The M10x1mm axle has 8mm flats on it and comes with a custom made tabbed washer to engage with holes in the brompton fork and provide axle spinout resistance.
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 20% discount off LiGo 10X Packs will show up when added to the cart! ▼
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.
44cm Long Extension Cable with 6 Pin HiGo MiniB Compatible Connectors, for Optional use with our Superharness
Pair of stainless steel torque arm plates for narrow SAW / NSM motors with small 10mm axles with 8mm axle flats, with bent tab specifically to fit forks of Brompton folding bicycles. Full Product Information Page
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).
Quadrature PAS Sensor with both Split Ring and Fixed Ring Magnet Disks for Wide Range of Crankset Styles. Terminated with Short 6 Pin HiGo Plug for Direct Baserunner/Phaserunner Connection.
Several display options are available to show basic information like bicycle speed, motor power, trip distance etc. through communication with the motor controller. The displays also provide the on/off power switch for the system and have up/down buttons to cycle through between 3 to 9 levels of pedal-assistance.
36V 4.0A Lithium Battery Charger 3 pin ST connector from ST 100-240V/C8
Mini PAS Sensor with 24 Poles for Immediate Engagement with Short 6 Pin HiGo Connector for Direct Baserunner Hookup. For Square Taper Spindles with at Least 5mm of Exposed Spindle.
36V 10 Ah Bottle Battery and Cage Mount. Panasonic GA Cells, 25A BMS. ST3 Charge Port.Individually Discharge Tested at Grin to Ensure Capacity.
High Quality American Made 2-Way Throttle from Dyol. Right Side, All Metal Construction. Roll-In to Accellerate, Roll-Back for Regen. Customized for 1V Signal Offset
Excellent Deal Bottom Bracket Torque Sensor from Fischer-AG. Senses Left Crank Pedal Force Similar to THUN/NCTE and Requires Drilling Hole in Bottom Bracket for Cable Exit. 127mm Square Taper Spindle and 68mm BB Width.
36V 13.5 Ah Bottle Battery and Cage Mount. Panasonic GA Cells, 25A BMS. ST3 Charge Port.
Individually Discharge Tested at Grin to Ensure Capacity.
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Throttles, ebrake levers, pas sensors, and torque sensors all play a roll in how you interact with the ebike. The Torque or PAS sensor plugs in directly to the motor controller and provide assistance based on the assist level of the display, while throttle and ebrakes hook up to the Main9 Superharness.
If you are confused about the PAS and Torque sensor options, please see our pedal sensor info page.
Regenerative braking can be controlled either with a digital brake sensor and modulated with the throttle, with an analog brake sensor that produces a varying signal directly, or without a brake sensor using one of the bidirectional throttles instead (the DYOL throttle is the preferred choice for regenerative braking in the Brompton kit).
High Quality American Made 2-Way Throttle from Dyol, Left Side. All Metal Construction. Roll In to Accellerate, Roll Back for Regen. Adapted for 1V Signal Offset
Click Here for detailed product info page
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ERider-T17N Torque Sensor for 68mm BB Shells with 170mm 0Q Cranks and 4 Bolt 104mm BCD Chainring Spider. Side Cable Exit.
Chainrings Not Included.
48V 10 Ah Bottle Battery and Cage Mount. Panasonic GA Cells, 25A BMS. ST3 Charge Port.Individually Discharge Tested at Grin to Ensure Capacity.
Extra Slim Left Hand Split Grin Twist Throttle with HiGo 3 male connector, 36mm OD Fits Under Lever Shifters. 50 cm cable length for controller. Requires ID of Handlebar Tube 17mm or Larger. Won't Fit with Aluminum Handlebars with Thick Sidewalls.
Miniature OLED Display for Grin SuperH Kits. Has Integrated Up/Down and Power Buttons and Installs on Left or Right. Customized for Operation up to 72V.
Extra Slim Split Grin Twist Throttle with HiGo 3 male connector, 36mm OD Fits Under Lever Shifters. 50 cm cable length for controller. Requires ID of Handlebar Tube 17mm or Larger. Won't Fit with Aluminum Handlebars with Thick Sidewalls.
Complete Torque Sensor Crankset: ERider-T17N for 68mm BB Shells with Side Cable Exit, 170mm Miranda Cranks and 4 Bolt 104mm BCD Spider with a 52T Chainring.
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Grin 12 LED Front E-Light, 72V Ready
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For Other LiGo Options (Soft Frame Bag Mount, Rail with Basic Dock for Phaserunner etc.) Use Separate LiGo Battery Module Purchase Page and Select Appropriate Hardware.
2-Way Twist Throttle Kit with HiGo 3 Pin connector. Customized for 1V Signal Offset.
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.
Colour Display with Integrated Up/Down and Power Buttons for Grin Super-H Kits. Mounts Beside Hand Grip. Customized Version of 600C for Grin Tech, Works up to 72V and Shows Regen Current.
Complete Torque Sensor Crankset: ERider-T17N for 73mm BB Shells with Side Cable Exit, 170mm Miranda Cranks and 4 Bolt 104mm BCD Spider with a 52T Chainring.
Click Here for detailed product info page
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Large Colour Display with Remote Buttons for Grin Super-H Kits. Mounts Centrally on Handlebars with Button Console by Hand Grip. Customized Version of 750C for Grin Tech, Works up to 72V and Shows Regen Current.
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
Magnetic Cutoff Sensor for Adding to Convert Regular Brake Levers to Ebrakes.
Magnet Screws or Glues to Lever, and Sensor Pickup Attatches to Brake Body
Operates on Left or Right Side
50cm Cable Length with 4 Pin Male Higo Termination
Compatible with Superharness for Digital Ebrake + Throttle Modulated Regen
Parallel Anderson Cable for Baserunners Installed in Reention Case. Simplifies Dual Controllers or Dual Battery Systems.
Must be purchased with Baserunner and Reention battery
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.
Laser Engrave 250 Watt Continuous Power Rating on Motor Side Plate. This is Truthful. ALL Hub Motors Offered by Grin Have an Operating Point (RPM and Allowable Temperature) Where They Can Only Sustain 250W.
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