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Amundsen Research Sprockets


Amundsen Research Components
Amundsen Research Sprockets

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Drive Sprockets


These steel drive sprockets feature dual locking screws, a broached keyway on the inside diameter and are available in 5/8'' and 3/4'' id. A 3/16'' key is included with each.

Split Axle Sprockets


Our split style aluminum alloy axle sprockets are .155'' thick, accept #35 space chain and fit virtually all sprocket hubs on the market. Available sizes range from 53 to 100 tooth. Tomar Sprockets are machined and have a blue anodized finish. Azusa Sprockets are not anodized, and have a brushed finish.

Sprocket Hubs


All of our sprocket hubs are CNC machined from billet aluminum alloy and have 6 on 5-1/4'' pattern that accept 6 ea. 1/4-20 bolts (sold separately).



Drive Sprockets
Amundsen Research Components 3710 - Amundsen Research Sprockets
056-3710 Package of 10 master links
$3.99
Amundsen Research Components 4104 - Amundsen Research Sprockets
056-4104 Drive Sprocket
10-Tooth

$8.99
Amundsen Research Components 4105 - Amundsen Research Sprockets
056-4105 Drive Sprocket
11-Tooth

$10.99
Amundsen Research Components 4121 - Amundsen Research Sprockets
056-4121 Drive Sprocket
13 tooth 3/4'' id. keyed sprocket

$7.99
Split Axle Sprockets
Amundsen Research Components 047800 - Amundsen Research Sprockets
056-047800 Split Axle Sprocket
78 Tooth
$22.99
Amundsen Research Components 048000 - Amundsen Research Sprockets
056-048000 Split Axle Sprocket
80 Tooth
$22.99
Amundsen Research Components 048200 - Amundsen Research Sprockets
056-048200 Split Axle Sprocket
82 Tooth
$22.99
Amundsen Research Components 048400 - Amundsen Research Sprockets
056-048400 Split Axle Sprocket
84 Tooth
$23.99
Amundsen Research Components 3886 - Amundsen Research Sprockets
056-3886 Split Axle Sprocket
86 Tooth

$27.99
Amundsen Research Components 3888 - Amundsen Research Sprockets
056-3888 Split Axle Sprocket
88 Tooth

$27.99
Amundsen Research Components 3890 - Amundsen Research Sprockets
056-3890 Split Axle Sprocket
90 Tooth

$30.99
Amundsen Research Components 3892 - Amundsen Research Sprockets
056-3892 Split Axle Sprocket
92 Tooth

$30.99
Sprocket Hub
Amundsen Research Components 3600 - Amundsen Research Sprockets
056-3600 Sprocket Hub
$25.99

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