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  • Carbon Gravel Wheelsets

    Rim 28H

    Nothing feels, performs, and lasts like a bespoke wheel. Every Bossi wheel is methodically hand built in store to exceptionally high standards, far above anything you would find off-the-shelf. Best in class components are selected to suit our customers needs and budget. Our wheels, true to our overarching philosophy, offer high performance without compromising durability - all backed by a 5 year warranty. 


    The Rims
    Our carbon rims are manufactured from a blend of Torayca T700/800 and are produced from a single mould resulting in a light, stiff, and durable construction free from voids. The bladder is painstakingly removed through the spoke holes and not cut and patched like other brands. Designed and optimised specifically for disc brakes and wider tyres.

    700cx35mm 28H
    New for 2023, our 700c gravel rim has been beefed up. Now featuring a generous 25mm internal (hooked), the rim is further optimised to support wider tyres. The depth has been increased to 35mm to increase stiffness and incidentally, aero - not that that's important.  The 700c rim is a hooked tubeless design meaning you can easily change between tubeless gravel tyres and road clinchers at a whim. This is the most versatile rim option for most gravel riders and can easily be swapped between gravel and road bikes; the one wheel to rule them all!

    650Bx33mm 28H
    Our 650B gravel rim is the choice for those wanting to max out tyre size on their gravel bikes. The smaller wheel diameter creates more clearance in the frame and fork which allows for larger tyres and lower pressure. In frames with limited clearance, 650B wheels and tyres may offer more grip than a 700c. The 650B rim sports a whopping 25mm internal width and is a hookless design compatible with most modern tubeless gravel tyres (check with supplier). Want to know if a 650B rim is the right option for you? Get in touch with our team and we'll help you make that decision. 


    The Build 
    This is what sets our wheels apart. From the outside it seems all carbon wheels are the same, but it's what happens behind the scenes that tells the full story. Our wheels our built to exceptionally high standards and exacting tolerances. To start, all spokes are cleaned and threads treated with an anti-friction/ anti-vibration coating. This helps maintain spoke tension for years to come and prevents galvanic corrosion between nipple and spoke. Each wheel is then laced, dished and trued to +/- 0.5mm (radial and lateral). The final step is the most important, spoke tension variation is balanced below 5% meaning that the spokes are working evenly to keep your wheel true. A wheel with low spoke tension variation should never break and offer significantly better balance. To pull that into perspective, most off-the-shelf wheels build to <20% tension variation resulting in wheels that either fail to stay true or fail entirely.  The componentry is world class: Your choice of either DT Swiss, or Bossi hubsets, offering unrivaled performance and durability, especially when knitted with legendary SAPIM CX-Ray spokes and nipples. All wheels are proudly backed by a straightforward 5 year warranty.

    RIm 22mm tubeless ready clincher - Torayca T700/800 Carbon Fibre
    Brake Type Disc
    Hub Options Bossi CLD, DT Swiss 350, DT Swiss 240 EXP, DT Swiss 180 EXP, Chris King R45D CLD
    Spokes Sapim CX Rays
    Nipples Sapim Secure Lock
    Weight (set) Bossi CLD - 700Cx30mm = 1395g +/- 20g
    Weight (set) DT Swiss 350 - 700CX30mm = 1455g +/- 20g
    Weight (set) Bossi CLD 650Bx33mm = 1410g +/- 20g
    Weight (set) DT Swiss 350 650Bx33mm = 1470g +/- 20g
    System weight 130 Kg
    Tyre Pressure 700c = 120 PSI MAX
    Tyre Pressure 650B = 80 PSI MAX (check with tyre supplier)
    Tyre Size 700c = max 50c, 650B = max 2.5"
    ERD 700Cx30mm=579mm, 650Bx33mm = 535mm
    Warranty 5 years

    How to order

    As each wheelset is custom built, we recommend getting in touch with our expert team to discuss your needs. We can help provide information on componentry and advise you on which model would be best suited to your riding. If all parts are in stock we can build and dispatch orders within 48 hours.

    Checkout notes
    Freehubs:We offer Shimano, SRAM XD/XDR, and Campagnolo Freehubs (excl Chris King). Please specify your desired freehub in checkout notes

    Colours: Chris King R45D hubs are available in multiple anodized colours. Please specify your preferred colour in checkout notes. Please note some colours will incur longer lead times if not in stock.


    Australia: Our titanium framesets are available to order online or through any of our authorised dealers. We offer free domestic shipping on all framesets and custom builds. To discuss build options, get in touch with us or speak to your nearest dealer. Finance is provided through ZIP and can be used for both frameset and custom build purchases.

    International: offer door to door shipping internationally through TNT/FEDEX and DHL. Visit our Shipping page for full breakdown on fees and terms.

    Whats in the box?

    Each wheelset comes with DT Swiss tubeless tape installed, tubeless valves, spare spokes, and wheel build report. As standard wheelsets are shipped with Shimano 11s freehub bodies. For XD/ XDR/ or Campagnolo, please make notes in checkout.

    Rim testing

    Flatness < 0.15mm
    Roundness < 0.15mm
    Vertical Drop Test = 55J (UCI requires only 40J)
    Tyre Pressure Test = 150PSI @ < 0.3mm deformation
    Compression Destructive Test = 664.4KgF
    Spoke Tension Test = Safe limit 150KgF, Destruction @ 469KgF

    Contact form

    Contact Us Today!

    If you have questions about any of our products or would like to schedule a consultation to plan a custom build, feel free to get in touch.