£7.50
FREE
FREE
FREE
£30.00
£45.00
£7.50
FREE
FREE
FREE
£30.00
£45.00
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£27.00
THE BOX FOUR WIDE/NARROW CHAINRING COMPLETES THAT PACKAGE FOR THE 1X8 SYSTEM. IT IS THE FIRST 8-SPEED SPECIFIC CHAINRING DESIGNED TO OPTIMISE CHAIN RETENTION WHEN USING 8-SPEED CHAINS. THE TOOTH PROFILE AND THICKNESSES ARE TAILORED TO MATCH THE INSIDE GEOMETRY OF THE UNIQUE BOX FOUR CHAIN.