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This weekend, the British Hill Climb season came to a climax at the 2024 National Hill Climb.
Harry Macfarlane of TAAP Kalas was victorious on the Dipton Mill Road climb, beating three-time National Champion Andrew Feather by just 2.3 seconds – and as you might expect, he didn’t win the National Hill Climb on a standard bike.
Free from any UCI regulations, the world of hill climbing opens the door to all sorts of customizations, and it’s fair to say Macfarlane’s bike is about as custom as they come.
Ultra-light wheels, stripped-back paint, and custom-made bike lights are just a few of the modifications Macfarlane used to achieve such a lightweight build. Let’s take a look at the custom climbing machine in detail.
The frameset is old, but certainly unique
(Image credit: Future (Andy Jones))
The bike is built around a 2008 Cervelo RS frameset (yep, that link is from the archives!) which Harry bought already stripped back to a raw carbon fibre finish. This is, of course, rather an extreme measure for many, but in hill climbing such modifications are almost a right of passage for those at the top of the game. Paint on bikes can be heavy, and this modification can save as much as around 170 grams, depending on the exact frame size and paint application.
The Cervelo is, of course, a rim brake frameset. Hill climbing is pretty much the only discipline in bike racing where rim brakes still rule the roost, and it mostly comes down to cost. The hill climb scene is still dominated by DIY builds, and because riders generally only use the bikes for around two months of the year, it makes sense to keep costs down. Of course, you can build a 5.5kg disc brake hill climb bike if you have the cash, but for many rim brake frames prove to be a far more wallet-friendly option for ultralight builds.
The Sram Red eTap groupset is hardly new either, but it’s still ultra-lightweight
(Image credit: Future (Andy Jones))
Similarly, Harry Macfarlane’s groupset features some rather outdated kit, but that doesn’t mean it’s heavier.
Shifting duties are handled by a first-generation Sram Red eTap rim brake groupset, that has been set up as a one-by system, due to the specific demands of the climb. This year’s test was just 1.1km long with an average gradient of 10%, meaning a modest 38t front chainring was sufficient for Macfarlane.
Pasta = Fasta – it certainly seems to have worked for Harry
(Image credit: Future (Andy Jones))
Macfarlane paired this with a relatively standard Sram Red 11-28 cassette to tackle the maximum pitches of over 14%. Though the Sram Red eTap groupset was first released back in the summer of 2015, it remains a firm favourite among the hill climbing community for two reasons.
The first, of course, is weight. The groupset, in a two-by setup, comes in at 1,970g, which is nearly half a kilo lighter than the current generation groupset thanks to a lack of disc rotors and only having 11 rear sprockets. The second reason is simplicity – with just two brake cables to worry about, the decade-old groupset is particularly easy to tinker with, something hill climbers can’t get enough of.
The Dura Ace C24 wheelset, from 2016, is positively new in comparison,
(Image credit: Future (Andy Jones))
Rolling duties are handled by a blast from the past too, in the form of Shimano’s Dura-Ace C24 carbon tubular wheels. Hovering around the 1,100-gram mark, the wheels aren’t the lightest you’ll find out there today, but still remain competitive in the hill climbing space.
The wheels are shod with ultralight Vittoria Corsa tubular tyres in a narrow, by today’s standards, 25mm width.
Carbon fibre handlebars are present and correct, though Macfarlane did choose not to chop them down to save an extra few grams
(Image credit: Future (Andy Jones))
Up front, it becomes abundantly clear that this bike is only built to be ridden for short periods. Macfarlane has forgone the comfort of handlebar tape to save around 50 grams from the carbon fibre cockpit setup. Interestingly Macfarlane still uses an out-front mount, full-size Wahoo Elemnt Bolt cycling computer, and even has a camera mount to record the action – precious grams many would choose to go without.
Personal messages from friends and competitors are what makes this build truly special
(Image credit: Future (Andy Jones))
The party piece of this bike is the custom ‘paint job’, and the picture above shows how this bike’s unique appearance came to fruition.
Macfarlane used a white marker pen to add some rather unique messages, which we presume help to keep morale high while he is deep in the hurt locker. ‘Pasta = Fasta’ and ‘Feed me beer’, it must be said, are my personal favourites.
After Macfarlane had finished with the bike, it was then up to the wider hill climb community. Harry told Cycling Weekly that timekeepers, spectators, and riders had all picked up the white marker pen to complete the ‘community project’ finishing off this rather special machine.
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