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GMAC Minimal Kit

Rear Geared GMAC Motor Kit. Minimal Parts for Basic Throttle Control.

Full Product Information Page

From USD$770.00

To USD$2,908.50 Regular Price USD$3,083.50

In stock

SKU
KIT-GMAC_Min
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Customize GMAC Minimal Kit
GMAC Torque Arm Kit
L10 Extension Cable (60cm)
9 Pin Mains to Throttle and Ebrake Breakout Cable

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Your Customization
9C RH212 Minimal Motor Kit, Basic Throttle Control
GMAC Minimal Kit

In stock

USD$770.00

Actual cruising speed/perfomance under any loading conditions is well modeled in our simulator.
Launch Motor Simulator with GMAC Minimal Kit

Summary

    Conversion kit based around the GMAC geared hub motor for basic throttle control without PAS. Includes high torque motor with locked clutch for regen, downtube battery pack with external Phaserunner controller or integrated Baserunner_L10 motor controller, wheelbuild options. 

    For a full explanation of the various drop-down choices and a comparison of this package versus other motor options, see our Grin Kits Info Page

    Specifications
    GMAC8T
    Actual Weight (kg)
    3.82
    Motor Power Range (Watts)
    600-1200
    Motor KV (RPM / V)
    10.2
    Phase Resistance (Ohm)
    0.046
    Disk Brake Compatible
    Yes
    Connector(s)
    L1019
    Thermistor Style
    10K NTC, B~3900
    Axle Length (O.L.D.)
    138
    Axle Threads
    M10 x 1.0mm
    Spoke Holes
    36 Hole
    Motor Type
    Geared
    Flange Spoke Diameter (mm)
    173
    Magnetic Pole Pairs (Phaserunner)
    80
    Hysteresis Losses (N-m)
    1.0
    Eddie Losses (N-m / rad/sec)
    0.013
    GMAC 10T
    Actual Weight (kg)
    3.82
    Motor Power Range (Watts)
    600-1200
    Motor KV (RPM / V)
    8.1
    Phase Resistance (Ohm)
    0.070
    Disk Brake Compatible
    Yes
    Connector(s)
    L1019
    Thermistor Style
    10K NTC, B~3900
    Axle Length (O.L.D.)
    138
    Axle Threads
    M10 x 1.0mm
    Spoke Holes
    36 Hole
    Motor Type
    Geared
    Flange Spoke Diameter (mm)
    173
    Magnetic Pole Pairs (Phaserunner)
    80
    Hysteresis Losses (N-m)
    1.0
    Eddie Losses (N-m / rad/sec)
    0.013
    7 Speed Cassette, 11-32 Tooth
    Actual Weight (kg)
    0.226
    Cluster Type
    Freehub Cluster
    8 Speed Cassette, 11-32 Tooth
    Actual Weight (kg)
    0.286
    Cluster Type
    Freehub Cluster
    9 Speed Cassette, 11-32 Tooth
    Actual Weight (kg)
    0.364
    Cluster Type
    Freehub Cluster
    10 Speed Cassette, 11-32 Tooth
    Actual Weight (kg)
    0.364
    Cluster Type
    Freehub Cluster
    Rim16Y303
    Actual Weight (kg)
    0.24
    Rim Width (mm)
    24
    Spoke Holes
    36 Hole
    Nominal Rim Size
    16" (ISO 305)
    Rim ERD
    292
    Rim Brake Compatible
    Yes
    Valve Type
    Schrader
    Rim16_ZAC19
    Actual Weight (kg)
    0.6
    Rim Width (mm)
    25
    Spoke Holes
    36 Hole
    Nominal Rim Size
    16" (ISO 349)
    Rim ERD
    332
    Rim Brake Compatible
    Yes
    Valve Type
    Presta, Schrader
    Rim20_ZAC19
    Actual Weight (kg)
    0.32
    Rim Width (mm)
    24
    Spoke Holes
    36 Hole
    Nominal Rim Size
    20" (ISO 406)
    Rim ERD
    389
    Rim Brake Compatible
    Yes
    Valve Type
    Presta, Schrader
    Rim20_DM30
    Actual Weight (kg)
    0.42
    Rim Width (mm)
    30
    Spoke Holes
    36 Hole
    Nominal Rim Size
    20" (ISO 406)
    Rim ERD
    394
    Rim Brake Compatible
    Yes
    Valve Type
    Presta, Schrader
    Rim20_Alex
    Actual Weight (kg)
    0.48
    Rim Width (mm)
    32
    Spoke Holes
    36 Hole
    Nominal Rim Size
    20" (ISO 406)
    Rim ERD
    390
    Rim Brake Compatible
    Yes
    Valve Type
    Schrader
    Rim20J31
    Actual Weight (kg)
    0.56
    Rim Width (mm)
    31
    Spoke Holes
    36 Hole
    Nominal Rim Size
    20" (ISO 406)
    Rim ERD
    375
    Rim Brake Compatible
    No
    Valve Type
    Schrader
    Rim20_Fat
    Actual Weight (kg)
    0.82
    Rim Width (mm)
    65
    Spoke Holes
    36 Hole
    Nominal Rim Size
    20" (ISO 406)
    Rim ERD
    384
    Rim Brake Compatible
    No
    Valve Type
    Schrader
    Rim24_DM30
    Actual Weight (kg)
    0.56
    Rim Width (mm)
    30
    Spoke Holes
    36 Hole
    Nominal Rim Size
    24" (ISO 507)
    Rim ERD
    494
    Rim Brake Compatible
    Yes
    Valve Type
    Schrader
    Rim24J31
    Actual Weight (kg)
    0.7000
    Rim Width (mm)
    31
    Spoke Holes
    36 Hole
    Nominal Rim Size
    24" (ISO 507)
    Rim ERD
    477
    Rim Brake Compatible
    No
    Valve Type
    Schrader
    Rim24_Fat
    Actual Weight (kg)
    1.02
    Rim Width (mm)
    65
    Spoke Holes
    36 Hole
    Nominal Rim Size
    24" (ISO 507)
    Rim ERD
    485
    Rim Brake Compatible
    No
    Valve Type
    Schrader
    Rim26_DM18
    Actual Weight (kg)
    0.53
    Rim Width (mm)
    24
    Spoke Holes
    36 Hole
    Nominal Rim Size
    26" (ISO 559)
    Rim ERD
    543
    Rim Brake Compatible
    Yes
    Valve Type
    Schrader
    Rim26_ZAC19
    Actual Weight (kg)
    0.46
    Rim Width (mm)
    23.6
    Spoke Holes
    36 Hole
    Nominal Rim Size
    26" (ISO 559)
    Rim ERD
    540.33
    Rim Brake Compatible
    Yes
    Valve Type
    Presta, Schrader
    Rim26_DM30
    Actual Weight (kg)
    0.6
    Rim Width (mm)
    30
    Spoke Holes
    36 Hole
    Nominal Rim Size
    26" (ISO 559)
    Rim ERD
    545
    Rim Brake Compatible
    Yes
    Valve Type
    Presta, Schrader
    Rim26J31
    Actual Weight (kg)
    0.7800
    Rim Width (mm)
    31
    Spoke Holes
    36 Hole
    Nominal Rim Size
    26" (ISO 559)
    Rim ERD
    527
    Rim Brake Compatible
    No
    Valve Type
    Schrader
    Rim26_Fat
    Actual Weight (kg)
    1.06
    Rim Width (mm)
    65
    Spoke Holes
    36 Hole
    Nominal Rim Size
    26" (ISO 559)
    Rim ERD
    537
    Rim Brake Compatible
    No
    Valve Type
    Schrader
    Rim26_Fat80
    Actual Weight (kg)
    .830
    Rim Width (mm)
    80
    Spoke Holes
    36 Hole
    Nominal Rim Size
    26" (ISO 559)
    Rim ERD
    542
    Rim Brake Compatible
    No
    Rim275_DM30
    Actual Weight (kg)
    0.76
    Rim Width (mm)
    30
    Spoke Holes
    36 Hole
    Nominal Rim Size
    650B (ISO 584)
    Rim ERD
    571
    Rim Brake Compatible
    Yes
    Valve Type
    Schrader
    Rim700_DM18
    Actual Weight (kg)
    0.6
    Rim Width (mm)
    24
    Spoke Holes
    36 Hole
    Nominal Rim Size
    700C (ISO 622)
    Rim ERD
    607
    Rim Brake Compatible
    Yes
    Valve Type
    Schrader
    Rim700_ZAC19
    Actual Weight (kg)
    0.5
    Rim Width (mm)
    23.6
    Spoke Holes
    36 Hole
    Nominal Rim Size
    700C (ISO 622)
    Rim ERD
    603.86
    Rim Brake Compatible
    Yes
    Valve Type
    Presta, Schrader
    Rim700_DM30
    Actual Weight (kg)
    0.65
    Rim Width (mm)
    30
    Spoke Holes
    36 Hole
    Nominal Rim Size
    700C (ISO 622)
    Rim ERD
    609
    Rim Brake Compatible
    Yes
    Valve Type
    Presta, Schrader
    Rim700_Alex
    Actual Weight (kg)
    0.80
    Rim Width (mm)
    32
    Spoke Holes
    36 Hole
    Nominal Rim Size
    700C (ISO 622)
    Rim ERD
    606
    Rim Brake Compatible
    Yes
    Valve Type
    Schrader
    V6 Baserunner_L10
    Manufacturer
    Grin
    Dimensions (L x W x H, mm)
    90 x 55 x 15
    Actual Weight (kg)
    0.18
    Max Regen Voltage (V)
    60
    Max Battery Amps (A)
    35
    Max Phase Amps (A)
    80
    Battery Range (V)
    20-60
    Connector(s)
    HiGo 0812(WP8), Higo Signal C, Mains D1109
    V6 Phaserunner L10 - Silver
    Manufacturer
    Grin
    Dimensions (L x W x H, mm)
    99 x 40 x 34
    Actual Weight (kg)
    0.26
    Max Regen Voltage (V)
    Programmable: 20-90V
    Max Battery Amps (A)
    40
    Max Phase Amps (A)
    90
    Battery Range (V)
    30-90
    Connector(s)
    Anderson, HiGo 0812(WP8), L1019, TRRS, XT60, HiGo MiniB, Mains D1109
    V6 Phaserunner L10 - Black
    Manufacturer
    Grin
    Dimensions (L x W x H, mm)
    99 x 40 x 34
    Actual Weight (kg)
    0.26
    Max Battery Amps (A)
    40
    Max Phase Amps (A)
    90
    Battery Range (V)
    30-90
    Connector(s)
    Anderson, HiGo 0812(WP8), L1019, TRRS, XT60, HiGo MiniB, Mains D1109
    36V 10Ah Bottle Battery
    Actual Weight (kg)
    2.2
    Dimensions (L x W x H, mm)
    295x78x78
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    36 Volt (10s)
    Full Charge Voltage
    42.0
    Capacity (Amp-Hours)
    9.8
    Watt-hours at 1C Discharge
    345
    Cell Type
    Panasonic GA 10S x 4P
    Internal Resistance (Ohms)
    0.19
    Connector(s)
    Anderson, ST3
    36V 14.5Ah Downtube Battery
    Actual Weight (kg)
    3.15
    Dimensions (L x W x H, mm)
    365x100x105
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    36 Volt (10s)
    Full Charge Voltage
    42.0
    Capacity (Amp-Hours)
    14.5
    Cell Type
    Samsung INR21700-50G 10S x 3P
    Connector(s)
    Anderson, DT_4pinSpade, ST3
    36V 15.5Ah eZee Flat Pack
    Manufacturer
    eZee
    Actual Weight (kg)
    3.5
    Dimensions (L x W x H, mm)
    348x141x59
    Battery Mount Location
    Rear Rack
    Nominal Voltage
    36 Volt (10s)
    Full Charge Voltage
    42
    Capacity (Amp-Hours)
    15.5
    Cell Type
    LG 18650 MH1, 10S x 5P
    Internal Resistance (Ohms)
    0
    Connector(s)
    Anderson, XLR
    36V 20Ah Downtube Battery
    Actual Weight (kg)
    4.02
    Dimensions (L x W x H, mm)
    365x95x100
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    36 Volt (10s)
    Full Charge Voltage
    42.0
    Capacity (Amp-Hours)
    19.25
    Cell Type
    Samsung INR21700-50G 10S x 4P
    Connector(s)
    Anderson, DT_4pinSpade, ST3
    36V 22Ah eZee Flat Pack
    Manufacturer
    eZee
    Actual Weight (kg)
    4.4
    Dimensions (L x W x H, mm)
    348x141x59
    Battery Mount Location
    Rear Rack
    Nominal Voltage
    36 Volt (10s)
    Full Charge Voltage
    42
    Capacity (Amp-Hours)
    21.5
    Cell Type
    LG 18650 MH1, 10S x 7P
    Internal Resistance (Ohms)
    0
    Connector(s)
    Anderson, XLR
    36V 24Ah Downtube Battery
    Actual Weight (kg)
    4.8
    Dimensions (L x W x H, mm)
    365x95x124
    Battery Mount Location
    Frame Mount, Rear Rack
    Nominal Voltage
    36 Volt (10s)
    Full Charge Voltage
    42
    Capacity (Amp-Hours)
    24
    Cell Type
    Samsung INR21700-50G 10S x 5P
    Internal Resistance (Ohms)
    0.80
    Connector(s)
    Anderson, ST3
    48V 14.5Ah Downtube Battery
    Actual Weight (kg)
    4.0
    Dimensions (L x W x H, mm)
    365x100x105
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    48 Volt (13s)
    Full Charge Voltage
    54.5
    Cell Type
    Samsung INR21700-50G 13S x 3P
    Connector(s)
    Anderson, DT_4pinSpade
    48V 15.5Ah eZee Flat Pack
    Manufacturer
    eZee
    Actual Weight (kg)
    4.1
    Dimensions (L x W x H, mm)
    348x141x59
    Battery Mount Location
    Rear Rack
    Nominal Voltage
    48 Volt (13s)
    Full Charge Voltage
    54.5
    Capacity (Amp-Hours)
    15.5
    Cell Type
    LG 18650 MH1, 13S x 5P
    Internal Resistance (Ohms)
    0.156
    Connector(s)
    Anderson, XLR
    48V 17Ah eZee Flat Pack
    Manufacturer
    eZee
    Actual Weight (kg)
    4.3
    Dimensions (L x W x H, mm)
    348x141x59
    Battery Mount Location
    Rear Rack
    Nominal Voltage
    48 Volt (13s)
    Full Charge Voltage
    54.5
    Capacity (Amp-Hours)
    16.5
    Cell Type
    Samsung 35E 13S x 5P
    Internal Resistance (Ohms)
    0.120
    Connector(s)
    Anderson, XLR
    48V 19Ah Downtube Battery
    Actual Weight (kg)
    4.9
    Dimensions (L x W x H, mm)
    365x100x124
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    48 Volt (13s)
    Full Charge Voltage
    54.6
    Capacity (Amp-Hours)
    19
    Cell Type
    Samsung INR21700-50G 13S x 4P
    Internal Resistance (Ohms)
    0.12
    Connector(s)
    Anderson, ST3
    52V 15Ah Downtube Battery
    Actual Weight (kg)
    4.3
    Dimensions (L x W x H, mm)
    380x95x100
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    52 Volt (14s)
    Full Charge Voltage
    58.8
    Capacity (Amp-Hours)
    14.5
    Cell Type
    NCR21700A 14S x 3P
    Connector(s)
    Anderson, ST3
    52V 20Ah Downtube Battery
    Actual Weight (kg)
    5.38
    Dimensions (L x W x H, mm)
    370x89x137
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    52 Volt (14s)
    Full Charge Voltage
    58.8
    Capacity (Amp-Hours)
    19.8
    Cell Type
    Panasonic GA 14S x 6P
    Internal Resistance (Ohms)
    0.12
    Connector(s)
    Anderson, ST3
    52V 23Ah Triangle Battery
    Actual Weight (kg)
    6.08
    Dimensions (L x W x H, mm)
    350x400x230
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    52 Volt (14s)
    Full Charge Voltage
    58.8
    Capacity (Amp-Hours)
    23.5
    Cell Type
    Panasonic GA 14S x 7P
    Connector(s)
    Anderson, ST3, XT-90S
    52V 29Ah "Fuel tank" Battery
    Actual Weight (kg)
    7.45
    Dimensions (L x W x H, mm)
    383x184x173
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    52 Volt (14s)
    Full Charge Voltage
    58.8
    Capacity (Amp-Hours)
    29
    Cell Type
    Samsung INR21700-50G 14S x 6P
    Internal Resistance (Ohms)
    100
    Connector(s)
    Anderson, ST3
    36V 2A ST3 Charger
    Actual Weight (kg)
    0.36
    Connector(s)
    ST3
    Charge Port Connector
    ST3
    Charger Voltage
    36V (42.0V max)
    36V 4A ST3 Charger
    Actual Weight (kg)
    0.58
    Connector(s)
    ST3
    36V 2A XLR Charger
    Actual Weight (kg)
    0.5
    Connector(s)
    XLR
    Charge Port Connector
    3 Pin XLR
    Charger Voltage
    36V (42.0V max)
    36V 4A XLR Charger
    Actual Weight (kg)
    0.98
    Connector(s)
    XLR
    Charge Port Connector
    3 Pin XLR
    Charger Voltage
    36V (42.0V max)
    48V 4A ST3 Charger
    Actual Weight (kg)
    0.98
    Dimensions (L x W x H, mm)
    197x82x46
    Connector(s)
    ST3
    Charge Port Connector
    ST3
    Charger Voltage
    48V (54.6V max)
    48V 2A ST3 Charger
    Actual Weight (kg)
    0.56
    Dimensions (L x W x H, mm)
    169x71x40
    Connector(s)
    ST3
    Charge Port Connector
    ST3
    Charger Voltage
    48V (54.6V max)
    48V 2A XLR Charger
    Actual Weight (kg)
    0.5
    Connector(s)
    XLR
    Charge Port Connector
    3 Pin XLR
    Charger Voltage
    48V (54.6V max)
    52V 2A ST3 Charger
    Actual Weight (kg)
    .36
    Dimensions (L x W x H, mm)
    170x72x34
    Connector(s)
    ST3
    Charge Port Connector
    ST3
    Charger Voltage
    52V (58.8V max)
    52V 2A XLR Charger
    Actual Weight (kg)
    0.5
    Dimensions (L x W x H, mm)
    170x72x34
    Connector(s)
    XLR
    Charge Port Connector
    3 Pin XLR
    Charger Voltage
    52V (58.8V max)
    52V 4A XLR Charger
    Actual Weight (kg)
    0.88
    Dimensions (L x W x H, mm)
    170x72x34
    Connector(s)
    XLR
    Charge Port Connector
    3 Pin XLR
    Charger Voltage
    52V (58.8V max)
    52V 4A ST-3 Charger
    Actual Weight (kg)
    0.84
    Connector(s)
    ST3
    Satiator Upgrade with ST3 Adapter
    Actual Weight (kg)
    1.06
    Handlebar Phone Mount and Charger
    Actual Weight (kg)
    0.165
    Minimum Input Voltage (V)
    12
    Max Input Voltage (V)
    95
    Connector / Jack
    5.5 x 2.1mm DC Jack
    Output Voltage
    5V
    Output Current (A)
    2
    C7 Plus, 3W 80 Lux Ebike Light
    Actual Weight (kg)
    .088
    Light Source
    OSRAM
    Minimum Input Voltage (V)
    6
    Max Input Voltage (V)
    58
    Peak Input Power (Watts)
    3
    Connector / Jack
    DC5.5x2.1
    Grin ELight 12F (72V ready)
    Actual Weight (kg)
    0.079
    Light Source
    12xCree 5mm LEDs
    Minimum Input Voltage (V)
    15
    Max Input Voltage (V)
    100
    Peak Input Power (Watts)
    1.4
    Connector / Jack
    DC 5.5x2.1mm
    SPL-01 1900 Lumen Ebike Light
    Actual Weight (kg)
    0.12
    Light Source
    Multiple LEDs
    Lumens Output
    1900
    Turn-On Voltage (reduced power)
    8
    Minimum Input Voltage (V)
    12
    Max Input Voltage (V)
    60
    Peak Input Power (Watts)
    20
    Connector / Jack
    DC 5.5x2.1mm
    Roxim Rear R1 ELight
    Actual Weight (kg)
    0.0690
    Light Source
    Red Cree XBD
    Lumens Output
    20
    Minimum Input Voltage (V)
    6
    Max Input Voltage (V)
    90
    Peak Input Power (Watts)
    5.5
    Connector / Jack
    DC 5.5x2.1mm
    Schwalbe Big Apple 26" Tire
    Actual Weight (kg)
    1.17
    Tire Width
    2.15
    Nominal Rim Size
    26" (ISO 559)
    More Information
    Product Attachments
    GMAC Installation Guide (1.81 MB)
    GMAC Motor Dimensional Diagram (73.18 kB)
    GMAC Installation Guide (1.81 MB)
    GMAC Motor Dimensional Diagram (73.18 kB)
    GMAC Installation Guide (1.81 MB)
    V6 Baserunner User Manual (2.50 MB)
    Phaserunner Dimensional Diagram (111.82 kB)
    Phaserunner User Manual V2 (1.45 MB)
    Phaserunner V3 Updates (538.75 kB)
    Phaserunner V6 Manual (2.36 MB)
    Phaserunner V6 Manual (2.36 MB)
    Phaserunner Dimensional Diagram (111.82 kB)
    Baserunner_Tube_Mount (39.22 kB)
    TripWire Push Short Specifications (425.65 kB)
    TripWire Pull Specifications (426.56 kB)
    Grin Downtube Battery User Manual (1.02 MB)
    36V 10Ah Bottle Battery Discharge Curves (52.27 kB)
    Battery Care Guide - Japanese(translated by a happy customer in Japan) (117.72 kB)
    Grin Downtube Battery User Manual (1.02 MB)
    Samsung 50G Cell Detailed Datasheet (2.21 MB)
    36V 14.5Ah Downtube Discharge Curves (44.17 kB)
    eZee 36V 14Ah Lithium Battery Manual (195.08 kB)
    Grin Downtube Battery User Manual (1.02 MB)
    Battery Care Guide - Japanese(translated by a happy customer in Japan) (117.72 kB)
    Grin Downtube Battery User Manual (1.02 MB)
    Samsung 50G Cell Detailed Datasheet (2.21 MB)
    36V 19Ah Downtube Discharge Curves (46.05 kB)
    eZee 36V 15Ah Lithium Battery Manual (395.21 kB)
    eZee 36V 14Ah Lithium Battery Manual (195.08 kB)
    36V 22Ah eZee Discharge Curves (45.69 kB)
    Grin Downtube Battery User Manual (1.02 MB)
    Samsung 50G Cell Detailed Datasheet (2.21 MB)
    36V 24Ah Downtube Discharge Curves (47.46 kB)
    Grin Downtube Battery User Manual (1.02 MB)
    Samsung 50G Cell Detailed Datasheet (2.21 MB)
    48V 14.5Ah Downtube Discharge Curves (45.29 kB)
    Battery Care Guide - Japanese(translated by a happy customer in Japan) (117.72 kB)
    eZee 48V 10Ah Lithium Battery Manual (196.63 kB)
    48V 15.5Ah eZee Discharge Curves (44.61 kB)
    Grin Downtube Battery User Manual (1.02 MB)
    Battery Care Guide - Japanese(translated by a happy customer in Japan) (117.72 kB)
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