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Sprockets > Bicycle Chain Sprockets
Bicycle Chain Sprockets
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1/2" x 1/8" (#410) bicycle
chain is used on single speed and 3-speed bicycles with internal hub gears, and
also on electric bicycle gear motors which have a
chain between them and a sprocket on the rear wheel.
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1/2"x3/32" bicycle chain is used on multi-speed
bicycles.
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All types of bikes including BMX, cruiser, mountain, and road bicycles
could have either size of chain depending on how many gears
they have.
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1/2" x 1/8" and 1/2"x3/32" bicycle chain is available on our
chain page.
Bicycle Chain Sprockets for Keyed Motor Shafts
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9 Tooth 11mm Bore Sprocket for 1/2"x1/8" Bicycle Chain
Motor sprocket with key pin for MY1018Z and MY1016Z3 gear motors. 1-5/8" (41mm) OD, 11mm ID, 4mm wide x 2mm deep keyway. 9mm wide
hub. For 1/2"x1/8" (#410) bicycle chain. Fits Currie® Electro Drive electric bicycle kits plus eZip® and IZIP® electric bicycles with
gear motors.
Item # CTE-24364
Compatible with our 250-450 Watt gear motors.
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$14.95
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11 Tooth 11mm Bore Sprocket for 1/2"x1/8" Bicycle Chain
Motor sprocket for MY1018Z and MY1016Z3 gear motors. 1-15/16" (50mm) OD, 11mm ID, 4mm wide x 2mm deep keyway. 9mm wide hub.
For 1/2"x1/8" (#410) bicycle chain.
Item # SPR-B1111
Compatible with our 250-450 Watt gear motors.
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$15.95
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12 Tooth Freewheel Sprocket with 11mm Bore for 1/2"x1/8" Bicycle Chain
Motor sprocket for MY1018Z and MY1016Z3 gear motors. Motor shaft must rotate
clockwise to use this sprocket. 1-15/16" (50mm) OD, 11mm ID, 4mm wide x 2mm deep
keyway. Works with 1/2"x1/8" (#410) bicycle chain.
Item # SPR-B1211FW
Compatible with our 250-450 Watt gear motors.
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$21.95
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13 Tooth 11mm Bore Sprocket for 1/2"x1/8" Bicycle Chain
Motor sprocket for MY1018Z and MY1016Z3 gear motors. 2-3/8" (57mm) OD, 11mm ID, 4mm wide x 2mm deep keyway. 9mm wide hub. For 1/2"x1/8" (#410) bicycle chain.
Item # SPR-B1311
Compatible with our 250-450 Watt gear motors.
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$16.95
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13 Tooth Freewheel Sprocket with 11mm Bore Adapter for 1/2"x1/8" and
1/2"x3/32" Bicycle Chain
Motor sprocket for MY1018Z and MY1016Z3 gear motors. Right hand thread 13
tooth freewheel. Motor shaft must rotate clockwise to use this sprocket.
Includes freewheel sprocket and zinc plated steel adapter.
Freewheel is threaded onto the adapter and is replaceable. 2-3/8" (57mm) OD,
11mm ID, 4mm wide x 2mm deep keyway. Works with both 1/2"x1/8" (#410) and
1/2"x3/32" bicycle chain so it can be used with a bicycle rear wheel multi-speed
freewheel sprocket or cassette cluster and a derailleur to create a multi-speed
transmission.
Item # SPR-B1311FW
Compatible with our 250-450 Watt gear motors.
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$59.95
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17 Tooth 7/16" Bore Sprocket for 1/2"x1/8" Bicycle Chain
17 tooth bicycle chain sprocket.
Nickel plated steel. Dimensions 3" OD, 7/16" ID. 5/8" wide x 7/8" OD
hub. 1/8" wide x 1/16" deep keyway. For 1/2"x1/8" (#410) bicycle
chain.
Item # SPR-B17716
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$4.95
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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 sold above.
Compatible with MY1018Z and MY1016Z3 gear motors.
Item # KEY-448
Compatible with our 250-450 Watt gear motors.
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$0.95
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Nut with Built-In Lock Washer for Keyed Motor Shaft Sprockets
Motor shaft nut for keyed motor shaft sprockets with 4mm wide x 2mm deep keyways sold above.
Compatible with
MY1018Z and MY1016Z3 gear motors.
Item # NUT-8RW
Compatible with our 250-450 Watt gear motors.
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$0.95
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Bicycle Chain Sprockets for Flatted Motor Shafts
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9 Tooth 10mm D-Bore Sprocket for 1/2"x1/8" Bicycle Chain
1-5/8" OD, 8.5mm 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"x1/8" (#410) bicycle chain.
Item # SPR-B109 |
$14.95
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11 Tooth 10mm Dual D-Bore Sprocket for 1/2"x1/8" Bicycle Chain
1-15/16" OD, 8.5mm x 10mm ID. Fits 10mm OD dual flatted motor shaft with nut and washer
on end to secure sprocket in place. For 1/2"x1/8" (#410) bicycle chain.
Item # SPR-B1011
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$14.95
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11 Tooth 17mm Dual D-Bore Sprocket for 1/2" x 1/8" Bicycle Chain
1-15/16" OD, 12mm x 17mm ID. Fits 17mm OD dual flatted motor shaft with nut and washer on end to secure sprocket in place. For 1/2"x1/8" (#410) bicycle chain.
Item # SPR-B1711
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$14.95
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Bicycle Chain Sprockets for Pedal Cranks
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36 Tooth 15/16" Bore Sprocket for 1/2"x1/8" Bicycle Chain
36 tooth bicycle chain sprocket.
Chrome plated steel. Dimensions 6" OD, 15/16" ID. For 1/2"x1/8" (#410) bicycle chain.
Item # SPR-B36
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$8.95
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44 Tooth 15/16" Bore Sprocket for 1/2"x1/8" Bicycle Chain
44 tooth bicycle chain sprocket. Chrome plated steel. Dimensions 7-1/8" OD, 15/16" ID. For 1/2"x1/8" (#410) bicycle chain.
Item # SPR-B44
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$8.95
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44 Tooth 15/16" Bore Sprocket for 1/2"x1/8" Bicycle Chain
44 tooth bicycle chain sprocket. Chrome plated steel with black enameled
silk-screened design. Dimensions 7-1/8" OD, 15/16" ID. For 1/2"x1/8" (#410) bicycle chain.
Item # SPR-B45
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$8.95
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Bicycle Chain 5-Hole Sprockets for 5-Hole Freewheels
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24 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2"x1/8" and
1/2"x3/32" Bicycle Chain
24 tooth bicycle chain sprocket. Black powder coated finish steel. Dimensions 4-5/8" OD, 2-1/8" ID. Five 5.1mm ID mounting
holes. Mounts onto our 5-hole freewheels sold below. Compatible with both 1/2"x1/8" (#410) and
1/2"x3/32" bicycle chain.
Item # SPR-B24F
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$19.95
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30 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2"x1/8" and 1/2"x3/32" Bicycle Chain
30 tooth bicycle chain sprocket. Black powder coated finish steel. Dimensions 5" OD, 2-1/8" ID. Five 5.1mm ID mounting
holes. Mounts onto our 5-hole freewheels sold below. Compatible with both 1/2"x1/8" (#410) and
1/2"x3/32" bicycle
chain.
Item # SPR-B30F
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$22.95
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32 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2"x1/8" and 1/2"x3/32" Bicycle Chain
32 tooth bicycle chain sprocket. Black powder coated finish steel. Dimensions 5-1/4" OD, 2-1/8" ID. Five 5.1mm ID mounting
holes. Mounts onto our 5-hole freewheels sold below. Compatible with both 1/2"x1/8" (#410) and
1/2"x3/32" bicycle
chain.
Item # SPR-B32F
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$23.95
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40 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2"x1/8" and 1/2"x3/32" Bicycle Chain
40 tooth bicycle chain sprocket.
Nickel plated steel. Dimensions 6-5/8" OD, 2-1/8" ID. Five 5.1mm ID mounting
holes. Mounts onto our 5-hole freewheels sold below. Compatible with both 1/2"x1/8" (#410) and
1/2"x3/32" bicycle
chain.
Item # SPR-B40F
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$25.95
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44 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2"x1/8" and 1/2"x3/32" Bicycle Chain
44 tooth bicycle chain sprocket. Black powder coated finish steel. Dimensions 7-1/8" OD, 2-1/8" ID. Five 5.1mm ID mounting
holes. Mounts onto our 5-hole freewheels sold below. For 1/2"x1/8" (#410) and
1/2"x3/32" bicycle
chain.
Item # SPR-B44F
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$29.95
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48 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2"x1/8" and 1/2"x3/32" Bicycle Chain
48 tooth bicycle chain sprocket. Black powder coated finish steel. Dimensions 7-13/16" OD, 2-1/8" ID. Five 5.1mm ID mounting
holes. Mounts onto our 5-hole freewheels sold below. For 1/2"x1/8" (#410) and
1/2"x3/32" bicycle
chain.
Item # SPR-B48F
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$32.95
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5-Hole Freewheels
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5-Hole Freewheel with 1.375" x 24 TPI Right Hand Threads
5-hole bicycle freewheel mechanism with 1.375" x 24 TPI right hand (clockwise)
threads. Five sprocket mounting holes with M5x0.8 threads. Compatible with all 2-1/8"
bore 5-hole sprockets sold on this page. 1.375" x
24 TPI (ISO) threads are used on virtually all modern bicycle wheels.
Item # FWM-205
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$19.95
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5-Hole Freewheel with 1.375" x 24 TPI Left Hand Threads
5-hole bicycle freewheel mechanism with 1.375" x 24 TPI left hand
(counterclockwise) threads. Five sprocket mounting holes with M5x0.8 threads.
Compatible with all 2-1/8" bore 5-hole sprockets sold on this page.
1.375" x 24 TPI (ISO) threads are used on virtually all modern bicycle
wheels.
Item # FWM-210
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$24.95
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Sprocket Mounting Bolts and Locknuts for 5-Hole Freewheels
Set of five quantity M5x0.8 x 14mm long bolts and M5x0.8 locknuts. Compatible
with freewheel item # FWM-205 and FWM-210 sold above.
Item # HDW-200
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$2.95
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5-Hole Freewheel to Axle Adapters
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Freewheel to Axle Adapter with Right Hand Threads for 1" Axle
Freewheel adapter with 1.375" x 24 TPI right hand (clockwise) threads. 1" ID,
0.9" wide, 1/4" keyway, Two set screws, Made from zinc plated steel. Compatible
with 5-hole freewheel item number FWM-205 sold above.
Item # FWM-ADAPTER1
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$24.95
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Freewheel to Axle Adapter with Left Hand Threads for 1" Axle
Freewheel adapter with 1.375" x 24 TPI left hand (counterclockwise)
threads. 1" ID, 0.9" wide, 1/4" keyway, Two set screws, Made from zinc plated
steel. Compatible with 5-hole freewheel item number FWM-210 sold above.
Item # FWM-ADAPTER2
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$29.95
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Freewheel Removal Tools
Bicycle Chain Freewheel Sprockets
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12 Tooth Freewheel Sprocket for 1/2"x1/8"
(#410) Bicycle Chain
12 tooth sprocket for 1/2"x1/8" (#410) bicycle
chain. Roller clutch sprocket with one-way bearing. Rotates freely in one direction
and fixed in the other direction. Freewheel engages in the clockwise direction. Fits 18mm threaded hub or shaft.
Right hand clockwise threads. Sprocket OD: 54mm. Overall
length of sprocket: 25mm. M18x1.00 right-hand threads.
Item # SPR-41012F |
$13.95
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14 Tooth Freewheel Sprocket for 1/2"x1/8"
(#410) Bicycle Chain
14 tooth sprocket for 1/2"x1/8" (#410) bicycle
chain. Roller clutch sprocket with one-way bearing. Rotates freely in one
direction and fixed in the other direction. Freewheel engages in the clockwise
direction. Fits 18mm threaded hub or shaft.
Right hand clockwise threads. Sprocket OD: 62mm. Overall
length of sprocket: 25mm. M18x1.00 right-hand threads.
Item # SPR-41014F |
$14.95
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Related Items: Bicycle Chain
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