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Sprockets

Browse for sprockets by vehicle make and model.


#25 Chain Sprockets
#25 Sprockets | #35 Sprockets | 8mm Sprockets | Bicycle Sprockets
Belt Cogs | Freewheels | Chain Tools | Chain Information

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.
Item # SPR-2511D

 $9.95


11 Tooth 10mm Dual D-Bore Sprocket for #25 Chain
1" OD, 8mm x 10mm ID. Fits 10mm OD dual-flatted motor shafts with nut and washer on end to secure sprocket in place.
Item # SPR-2511C

 $9.95


11 Tooth 8mm Bore Sprocket for #25 Chain
1" OD, 8mm ID. Two set screws.
Item # SPR-2511A

 $9.95

11 Tooth 10mm Bore Sprocket for #25 Chain
1" OD, 10mm ID. This sprocket pins to the motor shaft. Includes two 3mm roll pins.
Item # SPR-2511P		 $11.95


12 Tooth 8mm Bore Sprocket for #25 Chain
1-1/16" OD, 8mm ID. Two set screws.
Item # SPR-2512

 $9.95


13 Tooth 10mm Dual D-Bore Sprocket for #25 Chain
1-1/8" OD, 8mm x 10mm ID. Fits 10mm OD dual-flatted motor shafts with nut and washer on end to secure sprocket in place.
Item # SPR-2513C

 $9.95


13 Tooth 8mm Bore Sprocket for #25 Chain
1-1/8" OD, 8mm ID. Two set screws.
Item # SPR-2513

 $9.95


 

14 Tooth 8mm Bore Sprocket for #25 Chain
1-1/4" OD, 8mm ID. Two set screws.
Item # SPR-2514A

 $9.95

14 Tooth 1/2" Bore Sprocket for #25 Chain
1-1/4" OD, 1/2" ID. Two set screws. 
Item # SPR-2514B		 $9.95


15 Tooth 8mm Bore Sprocket for #25 Chain
1-3/8" OD, 8mm ID. Two set screws.
Item # SPR-2515A

 $9.95


15 Tooth 1/2" Bore Sprocket for #25 Chain
1-3/8" OD, 1/2" ID. One set screw. 
Item # SPR-2515B		 $9.95

15 Tooth Freewheeling Sprocket for #25 Chain
New roller clutch sprocket with one-way bearing. Rotates freely in one direction; fixed in other direction. 15 tooth sprocket for 1/4" #25 roller chain. Fits 8mm shaft with 10mm collar. 3mm hole for included 3mm retention pin. Sprocket OD: 34mm. Overall length of assembly: 29mm.
Item # SPR-2515F		 $29.95

Refurbished 15 Tooth Freewheeling Sprocket for #25 Chain
Refurbished roller clutch sprocket with one-way bearing. These sprockets were taken off of new scooters so they show a little wear from factory testing. Rotates freely in one direction; fixed in other direction. 15 tooth sprocket for 1/4" #25 roller chain. Fits 8mm shaft with 10mm collar. 3mm hole for retention pin (not included). Sprocket OD: 34mm. Overall length of assembly: 29mm.
Item # SPR-2515FR		 $24.95


16 Tooth 8mm Bore Sprocket for #25 Chain
1-3/8" OD, 8mm ID. Two set screws.
Item # SPR-2516

 $10.95


16 Tooth 1/2" Bore Sprocket for #25 Chain
1-3/8" OD, 1/2" ID. Two set screws.
Item # SPR-2516B

 $10.95


18 Tooth 3/8" Bore Sprocket for #25 Chain
1-5/8" OD, 3/8" ID. No set screw.
Item # SPR-2518C		 $9.95


18 Tooth 1/2" Bore Sprocket for #25 Chain
1-5/8" OD. 1/2" ID. One set screw. 
Item # SPR-2518B		 $12.95


LashOut® 19 Tooth Freewheeling Planetary Speed Reducer
OEM planetary 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).
Item # SPR-2519F
Compatible with the following items: 
BMC® 24V 600W motor (MOT-BMC24600)
LashOut® 54 tooth rear sprocket (SPR-2554)		 $179.95


Currie® Planetary Gear Assembly
Planetary gear assembly for Currie® electric scooters and electric bikes. 12mm star shaped bore on one side and 8mm D bore on the other. 75mm outer diameter with 8 bolt mounting pattern. 4:1 ratio on outside ring and 4.5:1 ratio on inside ring. 
Item # SPR-P360		 $49.95


20 Tooth 1/2" Bore Sprocket for #25 Chain
1-3/4" OD, 1/2" ID. Two set screws.
Item # SPR-2520		 $11.95


24 Tooth 3/8" Bore Sprocket for #25 Chain
2" OD, 3/8" ID. Two set screws.
Item # SPR-2524		 $11.95


25 Tooth Slotted Bore Sprocket for #25 Chain
2-1/8" OD. Star shaped inside bore.
Item # SPR-2525		 $19.95


54 Tooth Rear Sprocket for #25 Chain
Rear sprocket for Lashout® electric bicycle.
4-1/2" OD, 1-1/4" ID. Universal six bolt disk brake rotor mounting pattern.
Item # SPR-2554		 $29.95

55 Tooth Rear Sprocket for #23 Chain
 Rear sprocket for  Ezip® 400 electric scooter.
4-1/2" OD, Three bolt wheel mounting pattern.
Item # SPR-C2555		 $19.95


55 Tooth Rear Sprocket for #25 Chain
4-1/2" OD, 2-1/8" ID. 4 bolt mounting pattern. Bolts directly onto rear wheel freewheel mechanism.
Item # SPR-2555		 $19.95


65 Tooth Rear Sprocket for #25 Chain With Rear Wheel Freewheel Mechanism
5-1/4" OD, 1-3/8" ID.  Fits 1-3/8" OD threaded electric scooter and bike wheel hubs. 
Item # SPR-2565 		$34.95


65 Tooth Rear Sprocket for #25 Chain
5-1/4" OD, 2-1/8" ID. 4 bolt mounting pattern. Bolts directly onto rear wheel freewheel mechanism.
Item # SPR-2565S		 $19.95


68 Tooth Rear Sprocket for #25 Chain
5-1/2" OD, 1" ID. 3 bolt mounting pattern.
Item # SPR-2568		 $17.95


72 Tooth Rear Sprocket for #25 Chain
5-3/4" OD, 1" ID. 3 bolt mounting pattern.
Item # SPR-2572		 $17.95


80 Tooth Rear Sprocket for #25 Chain
6-1/2" OD, 2-1/8" ID. 4 bolt mounting pattern. Bolts directly onto rear wheel freewheel mechanism.
Item # SPR-2580		 $19.95


90 Tooth Rear Sprocket for #25 Chain
7-1/4" OD, 1-3/8" ID. Compatible with Currie and Powercats Tiger electric scooter models with 12-1/2" wheels. Fits 1-3/8" OD threaded scooter and bicycle wheel hubs.
Item # SPR-2590		 $29.95


#35 Chain Sprockets
 #25 Sprockets | #35 Sprockets | 8mm Sprockets | Bicycle Sprockets
Belt Cogs | Freewheels | Chain Tools | Chain Information


 10 Tooth 3/8" Bore Sprocket for #35 Chain
1-3/8" OD, 3/8" ID. Two set screws.
Item # SPR-3510A		 $9.95


10 Tooth 1/2" Bore Sprocket for #35 Chain
1-3/8" OD, 1/2" ID. Keyway for 1/8" key stock. Two set screws.
Item # SPR-3510B		 $9.95


11 Tooth 1/2" Bore Sprocket for #35 Chain
1-1/2" OD, 1/2" ID. Keyway for 1/8" key stock. Two set screws.
Item # SPR-3511		 $9.95


14 Tooth 1/2" Bore Sprocket for #35 Chain
1-7/8" OD, 1/2" ID. Keyway for 1/8" key stock. Two set screws.
Item # SPR-3514		 $9.95


8mm Chain Sprockets
 #25 Sprockets | #35 Sprockets | 8mm Sprockets | Bicycle Sprockets
Belt Cogs | Freewheels | Chain Tools | Chain Information

10 Tooth 10mm Dual D-Bore Sprocket for 8mm Chain
1" OD, 8mm x 10mm ID. Fits 10mm OD dual-flatted motor shafts with nut and washer on end to secure sprocket in place.
Item # SPR-810

 $9.95


11 Tooth 10mm Dual D-Bore Sprocket for 8mm Chain
1" OD, 8mm x 10mm ID. Fits 10mm OD dual-flatted motor shafts with nut and washer on end to secure sprocket in place.
Item # SPR-811

 $10.95


13 Tooth 10mm Dual D-Bore Sprocket for 8mm Chain
1-1/2" OD, 8mm x 10mm ID. Fits 10mm OD dual flatted motor shaft with nut and washer on end to secure sprocket in place.
Item # SPR-813

 $10.95


44 Tooth Rear Sprocket for 8mm Chain
2-1/8" ID. 4 bolt mounting pattern. Bolts directly onto rear wheel freewheel mechanism.
Item # SPR-844		 $19.95


54 Tooth Rear Sprocket for 8mm Chain
5-1/2" OD, 2-1/8" ID. 4 bolt mounting pattern. Bolts directly onto rear wheel freewheel mechanism.
Item # SPR-854F		 $19.95


54 Tooth Rear Sprocket for 8mm Chain
5-1/2" OD, 1-1/4" ID. 6 bolt mounting pattern.
Item # SPR-854		 $16.95


63 Tooth Rear Sprocket for 8mm Chain
6-3/8" OD, 2-1/8" ID. 4 bolt mounting pattern. Bolts directly onto rear wheel freewheel mechanism.
Item # SPR-863F		 $19.95


72 Tooth Rear Sprocket for rocket for 8mm Chain
7-3/8" OD, 2-1/8" ID. 4 bolt mounting pattern. Bolts directly onto rear wheel freewheel mechanism.
Item # SPR-872F		 $19.95


Bicycle Chain Sprockets
 #25 Sprockets | #35 Sprockets | 8mm Sprockets | Bicycle Sprockets
Belt Cogs | Freewheels | Chain Tools | Chain Information

9 Tooth 10mm D-Bore Sprocket for 1/2" x 1/8" Bicycle Chain
1-5/8" OD, 8mm x 10mm D-bore ID. Fits 10mm OD single-flatted motor shafts with nut and washer on end to secure sprocket in place. for 1/2" x 1/8" bicycle chain.
Item # SPR-B109

 $14.95

Motor Sprocket for Currie® Electric Bicycles
Motor sprocket with key pin for Currie® electric bicycles. 9 tooth, 11mm ID, 1-5/8" OD. for 1/2" x 1/8" bicycle chain.
Item # CTE-24364		 $14.95


9 Tooth 11mm Bore Sprocket for 1/2" x 1/8" Bicycle Chain
1-5/8" OD, 11mm ID (fits 11mm shaft). 4mm wide x 2mm deep keyway. for 1/2" x 1/8" bicycle chain.
Item # SPR-B119

 $14.95


11 Tooth 10mm Dual D-Bore Sprocket for 1/2" x 1/8" Bicycle Chain
1-15/16" OD, 8mm x 10mm ID. Fits 10mm OD dual flatted motor shaft with nut and washer on end to secure sprocket in place. for 1/2" x 1/8" bicycle chain.
Item # SPR-B1011

 $14.95


36 Tooth 15/16" Bore Sprocket for 1/2" x 1/8" Bicycle Chain
6" OD, 15/16" ID. for 1/2" x 1/8" bicycle chain.
Item # SPR-B36

 $7.95


44 Tooth 15/16" Bore Sprocket for 1/2" x 1/8" Bicycle Chain
7-1/8" OD, 15/16" ID. for 1/2" x 1/8" bicycle chain.
Item # SPR-B44

 $7.95


Drive Belt Cogs (Belt Sprockets)
 #25 Sprockets | #35 Sprockets | 8mm Sprockets | Bicycle Sprockets
Belt Cogs | Freewheels | Chain Tools | Chain Information

13 Tooth 8mm D-Bore Drive Belt Cog for 5M-15 Belts
1" OD, 8mm ID. Works with 5mm tooth pitch x 15mm wide HTD drive belts. Compatible with most belt drive MY1016 and MY1018 electric scooter and bike motors.
Item # SPR-COG13D

 $9.95


16 Tooth 8mm D-Bore Drive Belt Cog for 3M-15 Belts
3/4" OD, 8mm ID. Works with 3mm tooth pitch x 15mm wide HTD drive belts. Compatible with most belt drive MY1016 and MY1018 electric scooter and bike motors.
Item # SPR-COG16D3M

 $9.95


72 Tooth Drive Belt Cog for 5M-15 Belts
4-5/8" OD. Works with 5mm tooth pitch x 15mm-20mm wide HTD drive belts. Attached freewheel mechanism fits 1-3/8" OD electric scooter and bike threaded wheel hubs.
Item # SPR-COG72

 $15.95

80 Tooth Drive Belt Cog for 5M-15 Belts
5-1/8" OD. Works with 5mm tooth pitch x 15mm-20mm wide HTD drive belts. Bolts onto wheel.
Item # SPR-COG80

 $19.95

 

95 Tooth Drive Belt Cog for 5M-15 Belts
6-1/4" OD. Works with 5mm tooth pitch x 15mm-20mm wide HTD drive belts. Bolts onto wheel.
Item # SPR-COG95

 $23.95


120 Tooth Drive Belt Cog for 5M-15 Belts
7-3/4" OD. Works with 5mm tooth pitch x 15mm-20mm wide HTD drive belts. Attached freewheel mechanism fits 1-3/8" OD electric scooter and bike threaded wheel hubs.
Item # SPR-COG120

 $27.95


Rear Wheel Freewheel Mechanisms
 #25 Sprockets | #35 Sprockets | 8mm Sprockets | Bicycle Sprockets
Belt Cogs | Freewheels | Chain Tools | Chain Information


 Rear Wheel Freewheel Mechanism
 3-1/16" OD, 1-3/8" ID. Works with 2-1/8" ID chain sprockets with 4 bolt mounting pattern. Compatible with item # SPR-2565S, SPR-2580, and SPR-844. Fits 1-3/8" OD electric scooter and bike threaded wheel hubs. Teeth fit standard 1/8" x 1/2" bicycle chain.
Item # FWM-100
To test this part turn the electric scooter or bike on and accelerate the throttle a little. If the chain moves and the rear sprocket spins but the back wheel does not move that points toward a defective rear wheel freewheel mechanism.
$12.95


Rear Wheel Freewheel Mechanism
 3-1/16" OD, 1-3/8" ID. Works with 2-1/8" ID chain sprockets with 4 bolt mounting pattern. Compatible with item # SPR-2555, SPR-2565S, SPR-2580, and SPR-844. Fits 1-3/8" OD electric scooter and bike threaded wheel hubs.
Item # FWM-125

To test this part turn the electric scooter or bike on and accelerate the throttle a little. If the chain moves and the rear sprocket spins but the back wheel does not move that points toward a defective rear wheel freewheel mechanism.
$14.95

Sprocket To Freewheel Nut & Bolt Set, Stainless Steel
 High quality stainless steel nut and bolt set used for attaching freewheel mechanism item # FWM-125 to compatible sprockets item # SPR-2555, SPR-2565S, SPR-2580, and SPR-844.
Item # HDW-100		 $2.95


Chain Tools
 #25 Sprockets | #35 Sprockets | 8mm Sprockets | Bicycle Sprockets
Belt Cogs | Freewheels | Chain Tools | Chain Information


 Chain Breaker for #25 Through #60 Chain
Works on #25 through #60 chain. Easy to use design. Drop-forged hardened steel jaws. Hardened steel breaker tip. Includes extra replacement tip with mounting adhesive. High quality professional grade tool. Made in U.S.A.
Item # CHB-2560
Chain breakers do not actually "break" the chain. They remove the pins that hold the chain links together. When two of the pins are removed the chain can be taken apart by hand. Master links are used to connect chain together into a continuous solid loop.
$34.95
$24.95

Chain Information
 #25 Sprockets | #35 Sprockets | 8mm Sprockets | Bicycle Sprockets
Belt Cogs | Freewheels | Chain Tools | Chain Information
  • #25 chain is used on electric scooters, bicycles, and pocket bikes.
    #25 chain has a 1/4" spacing between each chain link and is approximately 1/4" wide.
  • #35 chain is used on mopeds, mini-bikes and go-karts.
    #35 chain has a 3/8" spacing between each chain link and is approximately 3/8" wide.
  • 8mm chain is used on pocket bikes.
    8mm chain has an 8mm spacing between each chain link and is approximately 10mm wide.
  • Bicycle chain is used on bicycles and electric bicycles.
    Bicycle chain has 1/2" spacing between each chain link and is approximately 3/8" wide. The most common sizes of bicycle chain are 1/2"x1/8" and 1/2"x3/16"(the 2nd measurement refers to interior width of chain). We currently do not sell bicycle chain however it can be purchased locally at most bicycle shops and hardware stores.

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