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Install new chain pin or remove old chain pin.

Use Primary Chain Link Fence to install 

or remove chain pin.  Use Secondary 

Chain Link Fence to loosen stiff links.

Primary Chain 

Link Fence

Secondary

Chain Link Fence

4mm 

Allen 

key

WARNING

Chain Pin Tool

Press chain pin 

as little as

necessary to 

loosen the 

stiff link.

4mm for 

chain pin breaker

+

+

15g

1 4 g

USING CHAIN TOOL

HEXUS

 X

USER'S GUIDE

Tire Lever

Air Pressure 

Release Button

Presta Core tool

EN

8 mm 5 mm

6 mm 5 mm

4 mm

4 mm

4 mm

3 mm

4 mm

2.5 mm 2 mm

Phillips

T15

T25

T30

2 mm

4 mm

2.5 mm

Chain 

Hook

T25 Torx

T30

Torx

Chain pin breaker

6 mm

3 mm

5 mm

Phillips

Chain 

Tool

8 mm

T25

T15

When pressing in the chain pin, push down on the 

top of the chain to keep it fully engaged in the 

chain tool cradle. Make sure the press pin of the 

chain tool is centered against the chain pin.

Inspect chain rivet again and be 

sure chain links can bend freely 

after replacement.

* The chain tool is compatible with 

single and multi-speed chains up to 12 

speed, NOT including Campagnolo® 11 

speed hollow pin chains.

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