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Shimano CS-S500 Alfine 20T Single Sprocket Silver/Black
Shimano CS-S500 Alfine 20T Single Sprocket Silver/Black

The all-new Crux 5

Shimano CS-S500 Alfine 20T Single Sprocket Silver/Black

by Shimano
SKU: ICSS50020
$19.99
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Enhanced Chain Retention
For use on Shimano's internal gear Alfine hubs, the S500 cogs feature a special profile for enhanced chain retention. Shimano's sprocket features a chrome plated steel construction, and a revised tooth profile to stop chain skipping.. MODEL NO: CS-S500
. SERIES: ALFINE S7000/S700 Series
. Chain guard (With)
. Chain guard (Without)
. Gear teeth 20T X (w/ and w/o guard)
. Gear Thickness: 2mm
. Recommended chain Super Narrow HG for 9-speed: Yes

The all-new Crux 5