Can one gear really work for hill climbs?

Name: Racing a 5.1kg Bespoke Hill Climb Bike
Uploaded: 2017-01-16 14:35:49
Duration: 11m 27s
Description: In part 2 we find out how our resident hill climb fanatic Joe Norledge got on with his custom fixed gear Engineered Bikes build. Part 1 - https://www.youtube.com/watch?v=Eb6pLWmdbxA&t=1s Thumbnail image - mattgrayson.co.uk www.instagram.com/mattgrayson_photo/

Racing the British National Hill Climb Championships on a fixed-gear bike