Grin Max45 Single Speed All-Axle Hub Build

Custom Wheelbuild of Grin's Powerful Max45 All-Axle Hub Motor, Freewheel Edition. For Single Speed Bikes with Regular Dropouts (Not Fatbikes). 

From USD$978.00

To USD$1,280.00 Regular Price USD$1,299.20

In stock

SKU
BUNDLE-GHR-FW
Customize Grin Max45 Single Speed All-Axle Hub Build

V3 Rear Grin All-Axle Torque Arm Kit

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Grin Max45 Single Speed All-Axle Hub Build
Grin Max45 Single Speed All-Axle Hub Build

In stock

USD$978.00

Summary

    The rear Max45_FW Single Speed motor from Grin allows you to pack the powerful punch of the 45mm stator while still fitting inside a regular (ie non-fatbike) rear triangle space. It does this by using a torque sensing threaded freewheel boss on the right side rather than a full gear cluster. It's ideal for chopper/cruiser/moped style ebikes, as well as proper multispeed mountainbikes that have a Pinion gearbox in the crankset.

    Features

    • Compatible with 135mm Slotted Dropouts (minor frame stretch to 140mm)
    • Compatible with 148x12mm boost thru-axle dropouts
    • Integrated torque arm for zero dropout stress
    • Threaded freewheel for 16T cog or 22T gates belt drive
    • Integrated torque AND 2-wire cadence sensor
    • Statorade compatible for maximum heat dissipation
    • Lightest direct drive motor in this power class (just 6.2kg!)
    • Internal 10K NTC thermistor for motor temperature sensing
    Max45 Single Speed, Std
    Manufacturer
    Grin
    Country of Manufacture
    Canada
    Motor KV (RPM / V)
    9.0
    Phase Resistance (Ohm)
    0.100
    Hysteresis Losses (N-m)
    1
    Eddie Losses (N-m / rad/sec)
    0.007
    Flange Spoke Diameter (mm)
    214
    Magnetic Pole Pairs (Phaserunner)
    23
    Actual Weight (kg)
    6.1
    Disk Brake Compatible
    Yes
    Motor Power Range (Watts)
    1000-2000
    Motor MFG
    Grin Tech
    Axle Length (O.L.D.)
    135
    Spoke Holes
    32 Hole
    Motor Type
    Direct Drive
    Connector(s)
    L1019
    Speedo Poles (for CA)
    23
    Thermistor Style
    10K NTC, Beta ~3450
    Max45 Single Speed, Slw
    Manufacturer
    Grin
    Country of Manufacture
    Canada
    Motor KV (RPM / V)
    7.2
    Phase Resistance (Ohm)
    0.15
    Hysteresis Losses (N-m)
    1
    Eddie Losses (N-m / rad/sec)
    0.007
    Flange Spoke Diameter (mm)
    214
    Magnetic Pole Pairs (Phaserunner)
    23
    Actual Weight (kg)
    6.1
    Disk Brake Compatible
    Yes
    Motor Power Range (Watts)
    1000-2000
    Motor MFG
    Grin Tech
    Axle Length (O.L.D.)
    135
    Spoke Holes
    32 Hole
    Motor Type
    Direct Drive
    Connector(s)
    L1019
    Speedo Poles (for CA)
    23
    Thermistor Style
    10K NTC, Beta ~3450
    Rim16_ZAC19_32H
    Rim ERD
    332
    Rim Width (mm)
    25
    Actual Weight (kg)
    0.64
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    16" (ISO 349)
    Valve Type
    Presta, Schrader
    Spoke Holes
    32 Hole
    Rim20_ZAC19_32H
    Rim ERD
    394
    Rim Width (mm)
    24
    Actual Weight (kg)
    0.42
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    20" (ISO 406)
    Valve Type
    Presta, Schrader
    Spoke Holes
    32 Hole
    Rim20_Alex_32H
    Country of Manufacture
    China
    Rim ERD
    390
    Rim Width (mm)
    32
    Actual Weight (kg)
    0.48
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    20" (ISO 406)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim20_Fat_32H
    Country of Manufacture
    China
    Rim ERD
    384
    Rim Width (mm)
    65
    Actual Weight (kg)
    0.82
    Rim Brake Compatible
    No
    Nominal Rim Size
    20" (ISO 406)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim20_Fat90_32H
    Country of Manufacture
    China
    Rim ERD
    399
    Rim Width (mm)
    90
    Actual Weight (kg)
    0.642
    Rim Brake Compatible
    No
    Nominal Rim Size
    20" (ISO 406)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim24_Alex_32H
    Country of Manufacture
    China
    Rim ERD
    494
    Rim Width (mm)
    32
    Actual Weight (kg)
    0.64
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    24" (ISO 507)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim24_DM30_32H
    Manufacturer
    China
    Country of Manufacture
    China
    Rim ERD
    494
    Rim Width (mm)
    30
    Actual Weight (kg)
    0.56
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    24" (ISO 507)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim24_Fat_32H
    Country of Manufacture
    China
    Rim ERD
    485
    Rim Width (mm)
    65
    Actual Weight (kg)
    1.02
    Rim Brake Compatible
    No
    Nominal Rim Size
    24" (ISO 507)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim26_DM18_32H
    Country of Manufacture
    Taiwan
    Rim ERD
    543
    Rim Width (mm)
    24
    Actual Weight (kg)
    0.53
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    26" (ISO 559)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim26_Alex_32H
    Country of Manufacture
    Taiwan
    Rim ERD
    544
    Rim Width (mm)
    32
    Actual Weight (kg)
    0.76
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    26" (ISO 559)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim26_Fat_32H
    Country of Manufacture
    China
    Rim ERD
    537
    Rim Width (mm)
    65
    Actual Weight (kg)
    1.06
    Rim Brake Compatible
    No
    Nominal Rim Size
    26" (ISO 559)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim26_Fat80_32H
    Rim ERD
    542
    Rim Width (mm)
    80
    Actual Weight (kg)
    .830
    Rim Brake Compatible
    No
    Nominal Rim Size
    26" (ISO 559)
    Spoke Holes
    32 Hole
    Rim275_DM30_32H
    Country of Manufacture
    China
    Rim ERD
    571
    Rim Width (mm)
    30
    Actual Weight (kg)
    0.76
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    650B (ISO 584)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim700_DM18_32H
    Country of Manufacture
    China
    Rim ERD
    607
    Rim Width (mm)
    24
    Actual Weight (kg)
    0.6
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    700C (ISO 622)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
    Rim700_Alex_32H
    Country of Manufacture
    China
    Rim ERD
    606
    Rim Width (mm)
    32
    Actual Weight (kg)
    0.80
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    700C (ISO 622)
    Valve Type
    Schrader
    Spoke Holes
    32 Hole
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