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New Parts

Sprockets > #25 Chain Sprockets > #25 Motor Sprockets

#25 Motor Sprockets

Browse for sprockets by vehicle make and model.

Sprocket Fasteners Mounts With Nut and Washer Mounts With Roll Pin Mounts With Set Screw With Gear Reduction
#25 Sprocket Fasteners


Nut and Washer for 8mm Left Hand Thread Motor Shafts
Sprocket nut and washer for electric scooter, pocket bike, and go kart motors with 8mm left hand threaded shaft ends. Fits MY1016, MY1020, and ZY1020 motors. Fits 6812, MY6812, and MY6812B motors with 9 or more tooth sprockets.
Item # SPR-NW8

$1.95


Nut and Spacer for 6mm Left Hand Thread Motor Shafts
Sprocket nut and spacer for electric scooter motors with 6mm left hand threaded shaft ends. Fits 6812, MY6812, and MY6812B motors with 7 tooth sprockets.
Item # SPR-NS6

$1.95


Nut with Built-In Lock Washer for 11mm ID Keyed Motor Shaft Sprockets
Motor shaft nut for keyed 11mm ID sprockets with 4mm wide x 2mm deep keyways. Left hand threads. Compatible with SPR-2519G1 sprocket sold below.
Item # NUT-8RW

$0.95

4mm x 4mm x 8mm Key Pin for Keyed Motor Shaft Sprockets
4mm x 4mm x 8mm key pin for sprockets with 4mm wide x 2mm deep keyways. Compatible with SPR-2519G1 sprocket sold below.
Item # KEY-448

$0.95


3mm x 20mm Roll Pin for Chain Sprockets
3mm x 20mm roll pin for eZip, IZIP, Currie, Schwinn, Mongoose, and GT chain sprockets. Attaches chain sprocket onto motor shaft.
Item # HDW-3MMRP

$0.95
#25 Sprockets That Attach with Nut and Washer


7 Tooth 6mm D-Bore Sprocket for #25 Chain
11/16" OD, 5mm x 6mm ID. Fits 6mm OD single-flatted motor shafts with nut and spacer on end to secure sprocket in place. Made from hardened steel with a black oxide finish.
Item # SPR-2507D1

$6.95


9 Tooth 8mm D-Bore Sprocket for #25 Chain
13/16" OD, 7mm x 8mm ID. Fits 8mm OD single-flatted motor shafts with nut and washer on end to secure sprocket in place. Made from hardened steel with a black oxide finish.
Item # SPR-2509D

Compatible with MY1016 and MY6812 motors.

$6.95


9 Tooth 10mm Double D-Bore Sprocket for #25 Chain
7/8" OD, 8.5mm x 10mm ID. Fits 10mm OD dual-flatted motor shafts with nut and washer on end to secure sprocket in place. Made from hardened steel with a black oxide finish.
Item # SPR-2509C

Compatible with MY1020 motors.

$6.95


10 Tooth 8mm D-Bore Sprocket for #25 Chain
15/16" OD, 7mm x 8mm ID. Fits 8mm OD single-flatted motor shafts with nut and washer on end to secure sprocket in place. Made from hardened steel with a black oxide finish.
Item # SPR-2510D

Compatible with MY1016 and MY6812 motors.

$7.49


11 Tooth 8mm D-Bore Sprocket for #25 Chain
1" OD, 7mm x 8mm ID. Fits 8mm OD single-flatted motor shafts with nut and washer on end to secure sprocket in place. Made from hardened steel with a black oxide finish.
Item # SPR-2511D

Compatible with MY1016 and MY6812 motors.

$7.95


11 Tooth 10mm D-Bore Sprocket for #25 Chain
1" OD, 8mm x 10mm ID. Fits 10mm OD single-flatted motor shafts with nut and washer on end to secure sprocket in place. Made from hardened steel with a black oxide finish.
Item # SPR-2511D2

$9.95


11 Tooth 10mm Double D-Bore Sprocket for #25 Chain
1" OD, 8.5mm x 10mm ID. Fits 10mm OD dual-flatted motor shafts with nut and washer on end to secure sprocket in place. Made from hardened steel with a black oxide finish.
Item # SPR-2511C

Compatible with MY1020 motors.

$9.95


13 Tooth 10mm Double D-Bore Sprocket for #25 Chain
1-1/8" OD, 8.5mm x 10mm ID. Fits 10mm OD dual-flatted motor shafts with nut and washer on end to secure sprocket in place. Made from hardened steel with a black oxide finish.
Item # SPR-2513C

Compatible with MY1020 motors.

$9.95


19 Tooth 11mm Bore Sprocket for #25 Chain
1-5/8" OD, 11mm ID, 4mm wide x 2mm deep keyway. 9mm wide hub. For MY1016Z, MY1016Z3, and MY1018Z gear motors. Made from hardened steel with a black oxide finish.
Item # SPR-2519G1

$14.95


25 Tooth Gear Box Pinion Sprocket for #25 Chain
2-1/8" OD. 14mm ID between bottoms of pinion teeth. 10.5mm ID between tops of pinion teeth. Fits gear boxes with 14mm OD six tooth pinion shafts. Made from hardened steel with a black oxide finish.
Item # SPR-2525
$19.95
#25 Sprockets That Attach With Roll Pins


9 Tooth 8mm Bore Sprocket for #25 Chain
13/16" OD, 8mm ID. This sprocket attaches to the motor shaft with included 3mm x 20mm roll pin.  Made from hardened steel with a black oxide finish.
Item # SPR-2509P

$9.95


11 Tooth 10mm Bore Sprocket for #25 Chain
1" OD, 10mm ID. This sprocket attaches to the motor shaft with included 3mm x 20mm roll pin. Made from hardened steel with a black oxide finish.
Item # SPR-2511P
$10.95


12 Tooth 10mm Bore Sprocket for #25 Chain
1-1/16" OD, 10mm ID. This sprocket attaches to the motor shaft with included 3mm x 20mm roll pin. Made from hardened steel with a black oxide finish.
Item # SPR-2512P

$10.95


13 Tooth 10mm Bore Sprocket for #25 Chain
1-1/8" OD, 10mm ID. This sprocket attaches to the motor shaft with included 3mm x 20mm roll pin.
Item # SPR-2513P

$10.95


14 Tooth 10mm Bore Sprocket for #25 Chain
1-1/4" OD, 10mm ID. This sprocket attaches to the motor shaft with included 3mm x 20mm roll pin.
Item # SPR-2514P

$11.95


15 Tooth 10mm Bore Sprocket for #25 Chain
1-3/8" OD, 10mm ID. This sprocket attaches to the motor shaft with included 3mm x 20mm roll pin.
Item # SPR-2515P

$11.95


15 Tooth Freewheeling Sprocket for #25 Chain
Roller clutch sprocket with one-way bearing. Rotates freely in one direction; fixed in other direction. 15 tooth sprocket for #25 chain. Fits 8mm shaft with 10mm collar. 3mm through hole for retention pin. one 3mm x 20mm roll pin is included (not pictured). Sprocket OD: 34mm. Overall length of assembly: 29mm. Made from hardened steel with a black oxide finish.
Item # SPR-2515F
$24.95
#25 Sprockets That Attach With Set Screws


9 Tooth 8mm Bore Sprocket for #25 Chain
13/16" OD, 8mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2509A

$9.95


10 Tooth 8mm Bore Sprocket for #25 Chain
15/16" OD, 8mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2510A

$9.95


10 Tooth 10mm Bore Sprocket for #25 Chain
15/16" OD, 10mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2510B

$9.95


11 Tooth 8mm Bore Sprocket for #25 Chain
1" OD, 8mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2511A

$9.95


12 Tooth 8mm Bore Sprocket for #25 Chain
1-1/16" OD, 8mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2512A

$9.95


12 Tooth 10mm Bore Sprocket for #25 Chain
1-1/16" OD, 10mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2512B

$9.95


13 Tooth 8mm Bore Sprocket for #25 Chain
1-1/8" OD, 8mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2513A

$9.95


14 Tooth 8mm Bore Sprocket for #25 Chain
1-1/4" OD, 8mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2514A

$9.95


14 Tooth 1/2" Bore Sprocket for #25 Chain
1-1/4" OD, 1/2" ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2514H
$9.95


15 Tooth 8mm Bore Sprocket for #25 Chain
1-3/8" OD, 8mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2515A

$9.95


15 Tooth 10mm Bore Sprocket for #25 Chain
1-3/8" OD, 10mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2515B

$9.95


15 Tooth 1/2" Bore Sprocket for #25 Chain
1-3/8" OD, 1/2" ID. One set screw. Made from hardened steel with a black oxide finish.
Item # SPR-2515H
$9.95


16 Tooth 8mm Bore Sprocket for #25 Chain
1-3/8" OD, 8mm ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2516A

$10.95


16 Tooth 1/2" Bore Sprocket for #25 Chain
1-3/8" OD, 1/2" ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2516H

$10.95


18 Tooth 3/8" Bore Sprocket for #25 Chain
1-5/8" OD, 3/8" ID. This type of sprocket typically attaches with set screws but this sprocket has no threaded set screw holes or set screws. Made from hardened steel with a zinc plated finish.
Item # SPR-2518T-NS
$9.95


18 Tooth 1/2" Bore Sprocket for #25 Chain
1-5/8" OD. 1/2" ID. One set screw. Made from hardened steel with a black oxide finish.
Item # SPR-2518H
$11.95


20 Tooth 1/2" Bore Sprocket for #25 Chain
1-3/4" OD, 1/2" ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2520H
$11.95


24 Tooth 3/8" Bore Sprocket for #25 Chain
2" OD, 3/8" ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2524T
$11.95


24 Tooth 5/8" Bore Sprocket for #25 Chain
2" OD, 5/8" ID. Two set screws. Made from hardened steel with a black oxide finish.
Item # SPR-2524F
$11.95
#25 Sprockets With Gear Reduction Transmissions


LashOut® 19 Tooth Freewheeling Planetary Speed Reducer
OEM planetary gear reduction transmission for the Lashout® electric bicycle. 19 tooth freewheeling front drive sprocket for #25 chain. Measures 3-3/4" x 2" excluding motor mounting flanges. Designed for use with rear sprocket SPR-2554 mounted on a 26"-27" bicycle wheel (top speed around 18mph with 600 Watt motor).
Item # SPR-2519F
Compatible with the following Items: 

BMC® 24V 600W motor (MOT-B24600)
LashOut® 54 tooth rear sprocket (SPR-2554)
$179.95

#25 Rear Wheel Sprockets

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We carry a wide selection of motor sprockets for #25 chain including sprockets that mount with; nuts and bolts, roll pins, and set screws. We also carry mounting hardware to attach #25 chain sprockets to the motor shaft. Our #25 chain motor sprockets are commonly used on electric; scooters, go karts, bicycles, mopeds, dirt bikes, mini choppers, pocket bikes, and mini bikes.

 

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