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Sprockets > #40, #41, and #420 Chain Sprockets

#40, #41, and #420 Chain Sprockets

Browse for sprockets by vehicle make and model.

Motor
Sprockets
Freewheel
Sprockets
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Sprocket Hubs
Jackshaft
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Motor Sprockets


10 Tooth 13mm Double D-Bore Sprocket for #40, #41, and #420 Chain
1-3/4" OD, 9mm x 13mm ID. Fits 13mm 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-42010E2
Compatible with MY1122ZXF motors.
$14.95


10 Tooth 17mm Double D-Bore Sprocket for #40, #41, and #420 Chain
1-3/4" OD, 12mm x 17mm ID. Fits 17mm 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-42010E3

Compatible with MY1020Z gear motors.

$14.95


11 Tooth 10mm Double D-Bore Sprocket for #40, #41, and #420 Chain
1-7/8" 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-42011C
Compatible with MY1020 motors.
$14.95


14 Tooth 13mm Double D-Bore Sprocket for #40, #41, and #420 Chain
2-3/8" OD, 9mm x 13mm ID. Fits 13mm 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-42014E2
Compatible with MY1122ZXF motors.
$14.95
Freewheel Sprockets


34 Tooth Sprocket for #40, #41, and #420 Chain (Freewheel Compatible)
141mm (5-5/8") OD, 54mm (2-1/8") ID. Adjacent bolt holes are spaced 47mm (1-3/8") apart from center to center. 64.5mm bolt circle diameter. 6mm bolt holes. Made of zinc plated steel. 4 bolt mounting pattern. Bolts directly onto 4 hole and 16 tooth rear wheel freewheel clutches.
Item # SPR-42034
$24.95
Axle Sprockets
All Group 1 (G1) axle sprockets and hubs are compatible with each other.


36 Tooth Sprocket for #40, #41, and #420 Chain (G1)
36 tooth aluminum sprocket. 6.015" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-420361
$38.95


48 Tooth Sprocket for #40, #41, and #420 Chain (G1)
48 tooth steel sprocket. 7.928" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of zinc plated steel.
Item # SPR-420481
$38.95


54 Tooth Sprocket for #40, #41, and #420 Chain (G1)
54 tooth steel sprocket. 8.884" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of zinc plated steel.
Item # SPR-420541
$38.95


57 Tooth Sprocket for #40, #41, and #420 Chain (G1)
57 tooth aluminum sprocket. 9.362" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-420571
$54.95


60 Tooth Sprocket for #40, #41, and #420 Chain (G1)
60 tooth aluminum sprocket. 9.840" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-420601
$62.95


64 Tooth Sprocket for #40, #41, and #420 Chain (G1)
64 tooth aluminum sprocket. 10.478" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-420641
$63.95


68 Tooth Sprocket for #40, #41, and #420 Chain (G1)
68 tooth aluminum sprocket. 11.115" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-420681
$67.95


72 Tooth Sprocket for #40, #41, and #420 Chain (G1)
72 tooth aluminum sprocket. 11.752" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-420721
$68.95


80 Tooth Sprocket for #40, #41, and #420 Chain (G1)
80 tooth aluminum sprocket. 13.026" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-420801
$74.95


85 Tooth Sprocket for #40, #41, and #420 Chain (G1)
85 tooth aluminum sprocket. 13.822" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-420851
$76.95


90 Tooth Sprocket for #40, #41, and #420 Chain (G1)
90 tooth aluminum sprocket. 14.618" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-420901
$79.95
Axle Sprocket Hubs
All Group 1 (G1) axle sprockets and hubs are compatible with each other.


Sprocket Hub for 3/4" Axles (G1)
Zinc plated steel sprocket hub. 3/4" ID bore. 3/16" keyway. Four 3/8" ID holes with 2.875″ bolt circle diameter and four 1/4" ID holes with 3.228″ bolt circle diameter. Includes two setscrews.
Item # HUB-201034
$19.95


Sprocket Hub Hardware Kit for 3/4" Axles
Four 3/8" OD x 3/4" long socket head bolts with nuts. Two set screws. One 3/16" x 3/16" x 1-1/4" keystock. Compatible with item # HUB-201340 sold above.
Item # HDW-2875-316
$2.49


Sprocket Hub for 1" Axles (G1)
Zinc plated steel sprocket hub. 1" ID bore. 1/4" keyway. Four 3/8" ID holes with 2.875″ bolt circle diameter and four 1/4" ID holes with 3.228″ bolt circle diameter. Includes two setscrews.
Item # HUB-201100
$19.95


Sprocket Hub for 1-1/4" Axles (G1)
Zinc plated steel sprocket hub. 1-1/4" ID bore. 1/4" keyway. Four 3/8" ID holes with 2.875″ bolt circle diameter and four 1/4" ID holes with 3.228″ bolt circle diameter. Includes two setscrews.
Item # HUB-201114
$19.95


Sprocket Hub Hardware Kit for 1" and 1-1/4" Axles
Four 3/8" OD x 3/4" long socket head bolts with nuts. Two set screws. One 1/4" x 1/4" x 1-1/4" keystock. Compatible with item # HUB-201100 and HUB-201114 sold above.
Item # HDW-2875-104
$2.49
Jackshaft Kits


Jackshaft Kit with 8 Tooth and 17 Tooth Sprockets for #40, #41, and #420 Chain
Weld-on jackshaft kit with 8 tooth and 17 tooth sprockets for a 53% increase or decrease in gear ratio. 10" long 5/8" OD jackshaft with keyway. 8 tooth and 17 tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on bearing hangers, and two axle collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft.
Item # JST-581420817
$74.95

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