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Sprockets > #40, #41, and #420 Sprockets > Axle Sprockets and Hubs

Axle Sprockets and Hubs for #40, #41, and #420 Chain

Axle Sprockets and Axle Sprocket Hubs
All of the axle sprockets and axle sprocket hubs on this page are Group 1 (G1)
which are 100% compatible and interchangeable with each other.
Axle Sprockets Axle Sprocket Hubs

On-Shelf Axle Sprockets with G1 Mounting Pattern

On-shelf axle sprockets are factory-made and can be added to the shopping cart if they are in stock. Any size axle sprocket with G1 mounting pattern for #40, #41, and #420 chain between 30 and 90 teeth can be custom-made so if you need a size that is not listed below then please visit our custom-made sprockets page.



48 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
48 tooth steel sprocket. G1 mounting pattern. 8" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of zinc plated steel.
Item # SPR-42048G1
$39.95


54 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
54 tooth steel sprocket. G1 mounting pattern. 8.9" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of zinc plated steel.
Item # SPR-42054G1
$43.95

Custom-Made Axle Sprockets with G1 Mounting Pattern

Important Information These are custom-made sprockets which are machined on an individual order basis so please allow for extra processing time when ordering. Custom-made sprocket orders cannot be cancelled after machining has begun on the sprocket and returns are not accepted on custom-made sprockets.

 

Any size axle sprocket with G1 mounting pattern for #40, #41, and #420 chain between 30 and 90 teeth can be custom-made so if you need a size that is not listed below then please visit our custom-made sprockets page.



30 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
30 tooth aluminum sprocket. G1 mounting pattern. 5.1" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42030G1
$52.95


32 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
32 tooth aluminum sprocket. G1 mounting pattern. 5.4" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42032G1
$53.95


36 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
36 tooth aluminum sprocket. G1 mounting pattern. 6.1" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42036G1
$54.95

48 tooth and 54 tooth steel sprockets are listed above.



57 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
57 tooth aluminum sprocket. G1 mounting pattern. 9.4" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42057G1
$72.95


60 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
60 tooth aluminum sprocket. G1 mounting pattern. 9.9" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42060G1
$77.95


64 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
64 tooth aluminum sprocket. G1 mounting pattern. 10.1" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42064G1
$78.95


68 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
68 tooth aluminum sprocket. G1 mounting pattern. 11.1" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42068G1
$82.95


72 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
72 tooth aluminum sprocket. G1 mounting pattern. 11.8" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42072G1
$83.95


80 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
80 tooth aluminum sprocket. G1 mounting pattern. 13" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42080G1
$89.95


85 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
85 tooth aluminum sprocket. G1 mounting pattern. 13.8" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42085G1
$91.95


90 Tooth Sprocket for #40, #41, and #420 Chain with G1 Mounting Pattern
90 tooth aluminum sprocket. G1 mounting pattern. 14.6" OD, 2" ID, 2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
Item # SPR-42090G1
$94.95

Axle Sprocket Hubs with G1 Sprocket Mounting Pattern


Sprocket Hub for 5/8" Axles (G1)
Zinc plated steel sprocket hub. 5/8" 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. 4" outside diameter. 3/4" overall width. Two setscrews (setscrews included).
Item # HUB-201058
$19.95


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. 4" outside diameter. 3/4" overall width. Two setscrews (setscrews included).
Item # HUB-201034
$19.95


Sprocket Hub Hardware Kit for 5/8" and 3/4" Axles
Four 3/8" OD x 3/4" long socket head bolts with lock nuts. One 3/16" x 3/16" x 3/4" key pin. Compatible with item # HUB-201058 and HUB-201034 listed above.
Item # HDW-2875-316
$2.95


3/16" x 3/16" x 3/4" Key Pin
3/16" x 3/16" x 3/4" steel key pin for sprocket hubs with 3/16" keyway. Compatible with item # HUB-201058 and HUB-201034 listed above.
Item # KEY-316X34

more key pins

$0.95


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. 4" outside diameter. 3/4" overall width. Two setscrews (setscrews included).
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. 4" outside diameter. 3/4" overall width. Two setscrews (setscrews included).
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 lock nuts. One 1/4" x 1/4" x 1-1/4" key pin. Compatible with item # HUB-201100 and HUB-201114 listed above.
Item # HDW-2875-104
$2.95


1/4" x 1/4" x 3/4" Key Pin
1/4" x 1/4" x 3/4" steel key pin for sprocket hubs with 1/4" keyway. Compatible with item # HUB-201100 and HUB-201114 listed above.
Item # KEY-104X34

more key pins

$0.95


Set Screw for G1 Sprocket Hubs
Set screw for G1 axle sprocket hubs. Compatible with item # HUB-201058, HUB-201034, HUB-201100, and HUB-201114 listed above.
Item # HDW-2860
$0.25



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