Shimano Alfine / Nexus Chain Tensioner CT-S500

The Shimano Alfine Chain Tensioner CT-S500 for vertical dropouts

The Shimano Alfine chain tensioner CT-S500 (in contrast to CT-S510) has 2 rollers and is intended for mounting the Alfine and Nexus gear hubs in frames with vertical dropouts in combination with the CS-S500 sprocket. It can be used for sprockets from 18 to 20 teeth; the difference between the chainrings must not exceed 16 teeth. There is no compatibility with 1/8" chains.

Guidelines for Replacing E-bike Components:

Before you replace components on your e-bike, please read through the guidelines for component replacement for CE-marked e-bikes/pedelecs with pedal assistance.

Technical Information:

Material:

aluminium

Gearing:

1x

Chainring Difference (max.):

16 t

Largest Sprocket:

20 t

Smallest Sprocket:

18 t

Dropout Width:

5 - 9 mm

Compatibility:

Gear Hubs:

Alfine 11-speed, Alfine 8-speed, Nexus 8-speed, Nexus 7-speed

Dropouts:

vertical, with derailleur hanger

Brake Type:

Disc brake, V-brake, roller brake

Chain:

CN-HG53, CN-HG71, CN-HG93 (9-speed super narrow)

Sprocket:

CS-S500

Crank:

FC-S501 with double chain guard

E-Bike:

STEPS E6100, E6180, E6000, E5000, E5080

Features:

• for vertical dropouts
• double roller design
• painted

Manufacturer Numbers:

silver:

I-CTS500

black:

I-CTS500L

Contents:

• 1 x Shimano Alfine CT-S500 chain tensioner