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Page Last Modified On: June 26, 2019

Grin Products

Grin's All-Axle Hub Motor (New - Beta) An new hub motor option for front forks compatible with regular quick release and both 15mm and 20mm thru axles. Weighs just 3.9kg, over 35% less than a typical direct drive motor of comparable torque and power.
Cycle Analogger Device for recording and logging trip data from a Cycle Analyst to an SD memory card, for use with our online Trip Analyzer software
Battery Anchors A universal version of the clever 'twist' battery rail concept that will allow you to attach the eZee flat battery to almost any bike rack or structure...
Cycle Analyst V2 The Cycle Analyst (formerly called DrainBrain) is the first digital dashboard and battery monitor originally designed around the specific needs of electric bicycles...
Cycle Analyst V3 The next generation of CA enables fully customized control of an ebike, with throttle ramping, torque and PAS sensors, autocruise, thermal rollback, mode presets etc...
Cycle Lumenator (discontinued - 2016) Ebike batteries normally range in voltage from 24V up to 72V, while most bike lights and accessories are made to run off 6V or 12V. At GRIN we've solved this by producing our own line of lighting components to run off a super wide input voltage for direct connection to any ebike battery pack, no separate voltage converter required...
Cycle Satiator Our latest product is a universal 360 watt sealed and programmable battery charger for all kinds of packs. Regular 4808 model works wih 24V-55V nominal batteries (up to 63V max) while 7205 model goes all the way up to 103V.
DC-DC Converters Our DC-DCs are rugged and compact, completely potted in thermal epoxy leaving no concern of water, dust or snow damage, or of exposed metal pins shorting out against the bike frame...
Electrolights Our series of ruggedized LED ebike lights stemmed in part from frustration with all the inexpensive flashing bike lights out there...
Grinfineon Controller Grin's take on the popular Infineon controller series with customized firmware for proportional regenerative braking, dual sensored/sensorless operation, Cycle Analyst plug compatibility, and other features
LiGo Batteries (New for 2017) Our Sub-100 Wh stackable 36V battery module suitable for air travel and those wanting a modular battery system with multi-pack redundancy.
Phaserunner Controller (New) The most compact and sophisticated field oriented motor controller in its power class, suitable for brushless motors in the 500-2000 watt power range.
Statorade Motor Coolant (New) A specially formulated ferrofluid which gives all the benefit of oil cooling to a hub motor stator without any of the leakage, mess, or motor drag.
Torque Arms Torque arms are used to prevent axle rotation in hub motors. When a hub motor is powered up running, for all the torque that the motor generates spinning a wheel forwards, there is an equal and opposite torque on the axle causing it to rotate backwards...

Grin Kits

Electric Bike Batteries We used to specialize in stocking and sourcing higher-end rechargeable battery packs for electric bicycles, but have reduced this now to now carrying just 5 types: a 36V 9Ah LiFePO4 eZee, a 36V 14Ah LiMn eZee, a 48V 10Ah pack eZee, a 36V 20Ah AllCell, and a 48V 20Ah AllCell. All packs come with genuine Anderson Powerpole connectors for the discharge leads and use a 3 pin XLR connector for charging...
Brompton Kits A small direct drive front motor conversion kit specially tailored for Brompton folding bicycles with narrow 75mm forks.
Edgerunner Cargo Bike The Edgerunner was an exciting project partnership between ourselves, Naked Cycles, Xtracycle, and eZee bikes, to create what we all felt would make the ultimate all-around utility ebike. It is now no longer carried by Grin but is available from Xtracycle dealers across North America
eZee Conversion Kits The geared hub motor kit from eZee bike is one of the nicer complete ebike conversion packages available. It is light weight, well engineered, torquy, and fully compatible with North American bicycle standards...
Geared Hub Motors Geared hub motors are smaller and lightweight yet deliver an impressive amount of torque for their size due to the internal gear reduction. They also have an internal freewheel, which can be nice in that there is no motor drag when the hub isn't being powered, but it also means that there is no possibility to use them as regen or run them in reverse...
Stoke Monkey The Stokemonkey is a mid-drive conversion package originally developed by Clever Cycles in the early 2000's for tackling the steep hills of San Francisco with a Cargo Bike....
Cycle Stoker A GRIN variant on the Stokemonkey mid-drive system which doesn't force the cranks to turn and has pedal torque sensing....

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