The 5.9kg bike that won Britain’s most prestigious hill-climb was 'my dad's old Planet X frame from about 2010'

Monsal Hill Climb winner Gregg Booker talks CW though his idiosyncratic but superfast gravity-defying setup

Gregg Booker's hill-climb bike
(Image credit: Andy Jones)

Hill-climb bikes are notoriously homebrewed mix-and-match affairs, and the bike that won the legendary Monsal Hill Climb in the Peak District on October 2 is firmly in that very British tradition.

Above all, a hill-climb bike has to be as light as possible. They are not constrained by the UCI's 6.8kg weight limit. So with this relatively heavy Planet X Nanolight dating back to the beginning of the last decade, Gregg Booker definitely had work to do.

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Simon Smythe

Simon Smythe is a hugely experienced cycling tech writer, who has been writing for Cycling Weekly since 2003. Until recently he was our senior tech writer. In his cycling career Simon has mostly focused on time trialling with a national medal, a few open wins and his club's 30-mile record in his palmares. These days he spends most of his time testing road bikes, or on a tandem doing the school run with his younger son.