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Aero carbon clinchers - More info on our new wheels

Our resident legend of British cycling, Mark Lovatt has spent a big chunk of his year thrashing prototype carbon clincher wheels for us. The result will be with us December 17: 52mm and 60mm deep-section aero carbon clinchers wheels at an amazing £399.99 per pair!

If that's all you need to know, get over to the pre-order pages: pre-order 52mm aero carbon clinchers and pre-order 60mm aero carbon clinchers.

Mark gave us a peek at our new carbon clincher wheels last week, but here's a bit more about them. 

 

markswheels


Mark and the South Yorkshire hills are hard on equipment. We were determined to make him a set of wheels that were fast, but that were also safe and could cope with lots of hard use.

Since everyone's obsessed with weight we tried all-carbon rims to start with. Mark didn't like the inconsistent braking and heat build up of the first protos, so we tried a different version. They weren't great either and, long story short, we tried a couple more versions before deciding that carbon clinchers weren't ready for Sheffield hill prime time. The horror stories we were hearing about delaminating rims from some other wheel makers ween't encouraging either.

rim
We settled on an aluminium outer rim design, then, with either a 52mm deep rim, or a 60mm rim. It adds a bit of weight, but when you're saving as much drag as you do with aero rims – especially our 60mm version – that's less important. Weight might be easy to measure, but the air is your real enemy. These wheels still aren't exactly boat anchors. A pair of 52mm wheels weighs 1796g, which is lighter than similar aero wheels from big companies whose names start with 'S'!

rimcarbon

The 52mm versions are great fast-riding all-rounders. Use them for crits, general racing, time trials, triathlon and group rides.

rim1

With the deeper 60mm rim, they're our recommended wheels for against-the-clock efforts and fast riding in flatter terrain. You'll immediately notice the extra turn of speed on the flat – and take 

it easy on the descents, those corners are closer and quicker than you think! Use them for time trials, triathlon and fast rides in still conditions.

Both our versions are built on lightweight hubs with 6061 aluminium bodies and high-strength 7075 aluminium axles and freehub body. They turn on super-smooth Japanese-made sealed bearings – two in the front hub, and four in the rear, so they're durable and easy to rebuild.

hub

Hubs and rims are joined by cold-drawn, double-butted bladed spokes made from Sandvik T302 stainless steel. Twenty spokes up front is the optimum balance between aerodynamics and strength, while 24 spokes in the rear means these wheels won't let you down. No odd spoke designs here either – we've used standard J-head spokes so you can get a replacement anywhere without taking out a second mortgage.

hub2

Complete wheel weights (without skewers)

           60mm rim      52mm rim
Front          831g          821g
Rear           979g          975g
Pair          1810g         1796g

Wheel features

  • Carbon rim with aluminium brake track
  • Polished 3k weave finish
  • CNC-machined sidewall
  • Japanese-made sealed bearings
  • 6061 aluminium hub shells
  • 7075 aluminium hub axles
  • 7075 aluminium freehub body
  • Front hub weight: 80g
  • Rear hub weight: 204g
  • Double-butted, bladed stainless steel spokes
  • Freehub compatibility: Shimano/SRAM 8/9/10-speed
  •  weight limit on the carbon clincher wheels sets of 90kg

6 December 2011