Ultima Carbon SL28 - Disc Brake Wheels

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    Rim depth plays a huge part in the ride dynamics of a wheel. The shallower 28mm carbon rims used in our Ultima SL28 wheels are specifically designed for maximum vertical compliance which creates a smoother, more comfortable and faster ride, especially on coarse road sections.

    At 1417 grams, the SL28's are the lightest carbon wheels we make. Light weight wheels accelerate quicker with less effort and respond faster to direction changes. This makes your bike feel lighter, more agile and responsive.


    Wheel Specifications

    All Craftworx wheels are hand built to order. We use high quality Double Butted Stainless Steel spokes to to create the perfect balance between even spoke tension and ultimate strength without adding unnecessary weight.

    The wheels are tubeless ready. This means you can run tubeless tyres or clincher tyres (with tubes).

    These wheels are optimised for 28mm tyres but you can easily use down to 23mm tyres and when clearance allows tyres up to 32mm will also fit on these wheels.


    Rims Depth: 28mm

    Rims External Width: 27.5mm

    Rims Internal Width: 21mm

    Compatible Tyre Widths: 25mm - 32mm

    Spokes: Bladed Stainless Steel

    Nipples: Secure Lock Alloy

    Weight: 1417 grams

    Supplied with: Tubeless Rim Tape


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    Customer Reviews

    Based on 34 reviews
    Light wheels, well made.

    I prefer a lower profile rim depth and these wheels are perfect. They are particularly light and ride really nicely. I'm rolling them with clinchers and they are easy to work with, look nice and were simple to set up. The service was excellent too, Mark dealt with all my picky build instructions and other questions, and delivery was quick. Very, very happy indeed.

    Jeff Collier
    Ultima are the Ultimate

    Yes I’m a man crazy about cycling and my most recent purchase from Craftworx has allowed me to fulfil a dream of one bike two sets of wheels ~ one for off road the 36 backroads and for on road the new Ultimas. After just a few rides the Ultimas have proved to be top shelf providing a smoother more comfortable and faster ride. The customer service and the great products is what keeps me coming back!

    Peter Taylor
    Another great looking set of wheels

    Bit early for a review but high expectations. This will be my second pair of Ultima hoops. Previous wheels still going well after quite a few years. The new rims mark my transition to disc brakes so can't wait to get the bike built and try out the latest set. Look great out of the box so far and expect the performance to match based on past experience.

    Pete Whiter
    Amazing wheels

    Have always wanted a proper set of carbon wheels but hard to justify the pretty steep prices. Big thanks (& congrats) to the Craftworx team for the 10th anniversary sale for the excuse to take the plunge.
    Boy I wish I'd gotten them much sooner, they are amazing in so many ways. Even in the delivery box they're lighter than my lightest current wheelset :)
    The bike is now so much more responsive, it just leaps forward and I find myself changing up to an easier gear much less often. Braking performance is remarkable, loads of modulation & power - better than my alum wheels which was a surprise.
    Most remarkable though is the increased comfort - I actually checked tyre pressures. Was not expecting that from 50mm deep aero wheels.
    Abosutely perfect build quality (of course) & always a pleasure to deal with the Craftworx crew.
    Certainly the most lavish bike purchase I've made but worth every cent.
    Thanks so much Mark & the team at Craftworx

    Juzzy F
    So Far So Brilliant!

    Very Very VERY HAPPY with these wheels even though it's earlydays. Upgrading from stock wheels on my BMC these have made a huge difference.
    Love the smooth rolling of these wheels the sound coming out of my SL38's and the look cool to! Customer service and assistance is second to none as well. Discussing with the Craftworx team prior to purchase made the decision so much easier.