Jon was at the British National Hill Climb Championships and got his grubby little hands on the best custom bikes pros and amateur cyclists were using to take on the fierce Haytor climb in Devon. Hill climbing has a long history of adapting road bikes to be as light as possible, which is your favourite?

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    40 Comments

    1. that scott addict is what i'd ride. those old team issue frames definitely mean business. hmx frames were the lightest out there and still are some of the lightest. one of the few competitors i could think of is the (now old) focus izalco max.

    2. So if rotating weight doesn't make much difference on a climb, (according to science and computer modelling) why are all these guys specing super light wheels and tires. Its the placebo effect ? Don't think so….

    3. My everyday bike is marginally less than the lightest one of these at 4.87 but it is a singlespeed. Surprised not to see any THM parts – their Clavicula crankset is insanely light.

    4. You can save at least 30g by replacing the left side stages Si crank with SiSL2 crank with 4iiii power meter or whatever powermeter where you can give them sisl2 crank and they install it on top of that.

    5. If you want the lightest drivetrain, just use an internally-geared hub which is much lighter than a conventional deraillur and cassette system and belt drive, as rubber belts are way lighter than most metal chains

    6. Not a disc in sight 😛 Hill climbs might be something I could get into I think, never been drawn to the club sunday ride scene for some reason. If I had a couple grand lying about I'd love to make up a climbing specific bike

    7. I bet the guy who won this thing did so on some 20 year old steel bike he found in the trash and weights like 10 kg.

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