SX2 Rear Barebones Kit

Rear SX2 Hub Motor Kit, Throttle Only System without a Display or PAS/Torque Sensors. Medium Power Silent Geared Hub that Freewheels.

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From USD$448.00

To USD$2,554.00

In stock

SKU
KIT-SX2_Bare
Customize SX2 Rear Barebones Kit



V5 Baserunner_Z9



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Ready to Roll Kit with G311 Front Motor, Downtube Battery, Baserunner Controller, PAS/Torque sensors etc.
SX2 Rear Barebones Kit

In stock

USD$448.00

Actual cruising speed/perfomance under any loading conditions is well modeled in our simulator.
Launch Motor Simulator with SX2 Rear Barebones Kit

Summary

    The mid-sized and silent SX2 geared hub motor is an awesome all-around choice for many ebike applications, and freewheels for zero additional wheel drag when pedaling unassisted. If a downtube battery pack is selected, we will mount the baserunner controller inside the battery cradle for a very clean install.

    The barebones system uses a throttle with an integrated on/off switch and voltage readout, but doesn't have a fully featured display or options for PAS / Torque sensors. This makes it great for simple and clean ebike builds that want to avoid any additional complexity.

    The throttle also includes two extra wires for running a front bike light and hooking up an optional ebrake cutoff sensor. 

    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

    For details on this hub in particular, see the SX Geared Motor Info Page

     

    SX2 Standard Wind
    Actual Weight (kg)
    3.2
    Motor MFG
    Shengyi
    Motor Power Range (Watts)
    350-700
    Motor KV (RPM / V)
    7.4
    Phase Resistance (Ohm)
    0.119
    Disk Brake Compatible
    Yes
    Connector(s)
    Z910
    Thermistor Style
    10K NTC, Beta ~3450, Multiplexed with Speedo
    Axle Length (O.L.D.)
    135
    Spoke Holes
    36 Hole
    Motor Type
    Geared
    Flange Spoke Diameter (mm)
    141
    Magnetic Pole Pairs (Phaserunner)
    72
    Hysteresis Losses (N-m)
    0.43
    Eddie Losses (N-m / rad/sec)
    0.009
    SX2 Fast Wind
    Actual Weight (kg)
    3.2
    Motor MFG
    Shengyi
    Motor Power Range (Watts)
    350-700
    Motor KV (RPM / V)
    9.8
    Phase Resistance (Ohm)
    0.072
    Disk Brake Compatible
    Yes
    Connector(s)
    Z910
    Thermistor Style
    10K NTC, Beta ~3450, Multiplexed with Speedo
    Axle Length (O.L.D.)
    135
    Spoke Holes
    36 Hole
    Motor Type
    Geared
    Flange Spoke Diameter (mm)
    141
    Magnetic Pole Pairs (Phaserunner)
    72
    Hysteresis Losses (N-m)
    0.43
    Eddie Losses (N-m / rad/sec)
    0.009
    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
    Rim16Frct
    Actual Weight (kg)
    0.2100
    Rim Width (mm)
    20
    Spoke Holes
    36 Hole
    Nominal Rim Size
    16" (ISO 349)
    Rim ERD
    328
    Rim Brake Compatible
    Yes
    Valve Type
    Schrader
    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
    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
    565
    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
    V5 Baserunner_Z9
    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)
    30
    Max Phase Amps (A)
    55
    Battery Range (V)
    20-60
    Connector(s)
    HiGo 0812(WP8), TRRS, Z910, 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 14Ah Bottle Battery
    Actual Weight (kg)
    2.7
    Dimensions (L x W x H, mm)
    363x78x78
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    36 Volt (10s)
    Full Charge Voltage
    42.0
    Capacity (Amp-Hours)
    13.3
    Watt-hours at 1C Discharge
    460
    Cell Type
    Panasonic GA 10S x 4P
    Internal Resistance (Ohms)
    0.160
    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 INR27100-50G 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 INR27100-50G 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 INR27100-50G 10S x 5P
    Internal Resistance (Ohms)
    0.80
    Connector(s)
    Anderson, ST3
    48V 10Ah Bottle Battery
    Actual Weight (kg)
    2.7
    Dimensions (L x W x H, mm)
    363x78x78
    Battery Mount Location
    Frame Mount
    Nominal Voltage
    48 Volt (13s)
    Full Charge Voltage
    42.0
    Capacity (Amp-Hours)
    9.9
    Watt-hours at 1C Discharge
    450
    Cell Type
    Panasonic GA 13S x 3P
    Internal Resistance (Ohms)
    0.170
    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
    NCR 21700 A 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 INR27100-50G 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
    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
    Roxim X4 Ebike Light (72V ready)
    Actual Weight (kg)
    0.16
    Light Source
    Cree XP-L
    Lumens Output
    400
    Minimum Input Voltage (V)
    6
    Max Input Voltage (V)
    85
    Peak Input Power (Watts)
    5.5
    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
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