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
12 Tooth 8mm Bore Sprocket For #25 Chain 1-1/16" OD, 8mm ID. Two set screws. Item # SPR-2512
$9.95
12 Tooth 9mm Bore Sprocket For #25 Chain 1-1/16" OD, 9mm ID. Two set screws. Item # SPR-2512B
$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 Roller clutch 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 retention pin (not included). Sprocket OD: 34mm. Overall length of assembly: 29mm. Item # SPR-2515F
$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 6 bolt disk brake rotor mounting pattern. Item # SPR-2554
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
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
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
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
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
$22.95
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
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 belt drive MY1016 and MY1018 electric scooter and bike motors. Item # SPR-COG13D
$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
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
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.
#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.
