specialized giant cube cannondale Mavic Castelli endura altura
From £29.95
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  • Reviews (4)
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  • Product Description

    Easily extend your current 36t cassette to 40 or 42t cassette.
    • 40 & 42t versions available
    • Available in Black, Red & Blue
    • Coverts 36t 10 speed cassettes to 40 or 42t
    • Compatible with most cassettes
    • Simply remove your 17t sprocket to make room for your expansion sprocket
    • Compatible with medium and long cage derailleurs
    • Extended derailleur limit screw supplied which will be required for some derailleurs