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GMAC 8T

GMAC Clutchless Geared Hub Motor, Fast (10.2 rpm/V) Winding.

Full Product Information Page

From USD$470.00

To USD$706.00 Regular Price USD$727.60

In stock

SKU
BUNDLE-GMAC8T
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GMAC8T
GMAC Torque Arm Kit - SS

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GMAC 8T
GMAC 8T

In stock

USD$470.00

Summary

    GMAC Clutchless Geared Hub Motor, 8T (10.2 rpm/V) Winding. This motor includes an internal 6-pole speedeometer sensor so it can use a CA-DP device and not require an external speedo pickup. Includes 3 piece CNC'd torque arm with inner spline made from 7075 alloy. For more details see the GMAC Info Page

    Bearings:

    • Cassette side  69020 (inner), 6901D (outer)
    • Brake side 68040
    Specifications
    GMAC8T
    Country of Manufacture
    China
    Motor KV (RPM / V)
    10.2
    Phase Resistance (Ohm)
    0.046
    Hysteresis Losses (N-m)
    1.0
    Eddie Losses (N-m / rad/sec)
    0.013
    Flange Spoke Diameter (mm)
    173
    Magnetic Pole Pairs (Phaserunner)
    80
    Actual Weight (kg)
    3.82
    Disk Brake Compatible
    Yes
    Motor Power Range (Watts)
    600-1200
    Axle Length (O.L.D.)
    138
    Spoke Holes
    36 Hole
    Motor Type
    Geared
    Connector(s)
    L1019
    Speedo Poles (for CA)
    6
    Thermistor Style
    10K NTC, B~3900
    Axle Threads
    M10 x 1.0mm
    Rim16Y303
    Country of Manufacture
    Taiwan
    Rim ERD
    292
    Rim Width (mm)
    24
    Actual Weight (kg)
    0.24
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    16" (ISO 305)
    Valve Type
    Schrader
    Spoke Holes
    36 Hole
    Rim16_ZAC19
    Rim ERD
    332
    Rim Width (mm)
    25
    Actual Weight (kg)
    0.6
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    16" (ISO 349)
    Valve Type
    Presta, Schrader
    Spoke Holes
    36 Hole
    Rim20_ZAC19
    Rim ERD
    389
    Rim Width (mm)
    24
    Actual Weight (kg)
    0.32
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    20" (ISO 406)
    Valve Type
    Presta, Schrader
    Spoke Holes
    36 Hole
    Rim20_DM30
    Rim ERD
    394
    Rim Width (mm)
    30
    Actual Weight (kg)
    0.42
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    20" (ISO 406)
    Valve Type
    Presta, Schrader
    Spoke Holes
    36 Hole
    Rim20_Alex
    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
    36 Hole
    Rim20J31
    Country of Manufacture
    China
    Rim ERD
    375
    Rim Width (mm)
    31
    Actual Weight (kg)
    0.56
    Rim Brake Compatible
    No
    Nominal Rim Size
    20" (ISO 406)
    Valve Type
    Schrader
    Spoke Holes
    36 Hole
    Rim20_Fat
    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
    36 Hole
    Rim24_DM30
    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
    36 Hole
    Rim24J31
    Country of Manufacture
    China
    Rim ERD
    477
    Rim Width (mm)
    31
    Actual Weight (kg)
    0.7000
    Rim Brake Compatible
    No
    Nominal Rim Size
    24" (ISO 507)
    Valve Type
    Schrader
    Spoke Holes
    36 Hole
    Rim24_Fat
    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
    36 Hole
    Rim26_DM18
    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
    36 Hole
    Rim26_ZAC19
    Rim ERD
    540.33
    Rim Width (mm)
    23.6
    Actual Weight (kg)
    0.46
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    26" (ISO 559)
    Valve Type
    Presta, Schrader
    Spoke Holes
    36 Hole
    Rim26_DM30
    Rim ERD
    545
    Rim Width (mm)
    30
    Actual Weight (kg)
    0.6
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    26" (ISO 559)
    Valve Type
    Presta, Schrader
    Spoke Holes
    36 Hole
    Rim26J31
    Country of Manufacture
    China
    Rim ERD
    527
    Rim Width (mm)
    31
    Actual Weight (kg)
    0.7800
    Rim Brake Compatible
    No
    Nominal Rim Size
    26" (ISO 559)
    Valve Type
    Schrader
    Spoke Holes
    36 Hole
    Rim26_Fat
    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
    36 Hole
    Rim26_Fat80
    Rim ERD
    542
    Rim Width (mm)
    80
    Actual Weight (kg)
    .830
    Rim Brake Compatible
    No
    Nominal Rim Size
    26" (ISO 559)
    Spoke Holes
    36 Hole
    Rim275_DM30
    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
    36 Hole
    Rim700_DM18
    Country of Manufacture
    Taiwan
    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
    36 Hole
    Rim700_ZAC19
    Country of Manufacture
    Taiwan
    Rim ERD
    603.86
    Rim Width (mm)
    23.6
    Actual Weight (kg)
    0.5
    Rim Brake Compatible
    Yes
    Nominal Rim Size
    700C (ISO 622)
    Valve Type
    Presta, Schrader
    Spoke Holes
    36 Hole
    Rim700_Alex
    Country of Manufacture
    Taiwan
    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
    36 Hole
    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)