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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.
Transition Cycles Limited is a company registered in England & Wales with company number 06566083.
Registered office: 15 Grove Place, BEDFORD, MK40 3JJ. VAT number: 933 3985 95.
Transition Cycles Limited acts as a credit broker and only offers credit products from Secure Trust Bank Plc. trading as V12 Retail Finance. Transition Cycles Limited is authorised and regulated by the Financial Conduct Authority. Our registration number is 793340. Credit provided subject to age and status.
©2026, Transition Cycles Limited.
