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G-SL 27 Front Wheel

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        Overview

        Control the Adventure

        Epic rides, epic races, epic fun. It’s all the same to the G-27s, a gravel adventure wheelset that’s as fast as it is tough.

        Highlights

        • The internal width of a 27mm hookless carbon rim allows you to run wider tires, at lower pressures, for a smoother ride and greater traction.
        • Built with DT Swiss Aerolite spokes for reduced weight and increased strength
        • Built with our custom straight pull HollowGram hub shell and premium, ultra-reliable DT Swiss 240 EXP rear internals for performance and ease of service
        • At 1325g a pair the G-SL 27 is impressively lightweight and strong
        • Lefty Oliver & 100x12 thru-axle compatible

        Control the Adventure

        Bigger is Faster
        With 27mm internal rim width, you can run wider tires, at lower pressures, for a smoother ride and greater traction. That means greater confidence and control, which means greater speed, even as your ride pushes farther.
        Get (un)Hooked

        HollowGram wheels engineered with hookless rims bring lots of advantages: they save weight, they create stronger rims, and they help create a better seal for running tubeless tires. But the biggest appeal of hookless rims is that they enable greater tire volume once inflated, so you can run lower pressures for greater comfort and control, gaining speed and traction.

        HollowGram SL: No Compromises

        HollowGram SL wheels rise to even higher speeds. Top-shelf DT Swiss Aerolite spokes are paired with custom HollowGram hub shells. Ultra-reliable DT Swiss 240 EXP internals at the rear bring a 36-tooth freehub ratchet for instantaneous pedaling engagement while minimizing mechanical drag. In HollowGram speak, SL means weight is lowered, responsiveness is increased, and efficiency is maximized.

        Better Off Off-Center

        The G-27 rim design offsets the spokes by a few millimeters, perfectly balancing spoke tension to handle the asymmetric forces imposed under pedaling and braking. The result is better response, greater reliability, and more control.

        Specs

        Details

        • Platform
          G-SL 27
        • Model Name
          G-SL 27 Front Wheel
        • Model Code
          HP8492U

        Wheels

        • Front Hub
          HollowGram 12x100mm / HollowGram Lefty 50, sealed bearing, 6-bolt, 24h, straight pull
        • Rim Depth
          22mm
        • Rim Outer Width
          33mm
        • Rim Inner Width
          27mm
        • Rim Type
          Carbon clincher, hookless, tubeless ready
        • Nipple Type
          Sapim Secure Lock, alloy
        • Effective Rim Diameter
          597mm
        • Maximum Spoke Tension
          100-130 kgf
        • Max Tire Pressure
          60 psi
        • Brake Type
          Disc
        • Rider Weight Limit
          111kg/245lbs
        • Spoke Count
          24h
        • Spoke Length (NDS-DS)
          297mm / 297mm
        • Spoke Type
          Sapim CX-Ray - radial DS / 3-cross NDS (100x12) / 2-cross (Lefty)
        • Wheel Size
          29"/700c

        Extra

        • Extra 1
          Tubeless tape, tubeless valves

        Weight: 1325g (pair) - Bike and frame weights may vary in final production.
        Please note that, based on component availability and other factors, specifications are subject to change without notice.

        Make it a set

        Rise to Speed. Discover more HollowGram.
        See the Collection
        *Terms & Conditions: Offer valid until 21 August 2026, while supplies last. Use promo code RIDELIKERICHIE to receive 50% off an eligible SystemBar cockpit with the purchase of an eligible SuperSix EVO bike or SuperSix EVO frameset in the same transaction. Eligible bikes and framesets include SuperSix EVO 2, SuperSix EVO 3, SuperSix EVO 4, SuperSix EVO 5, SuperSix EVO 6, SuperSix EVO Frameset, LAB71 SuperSix EVO Frameset, and SuperSix EVO HM Frameset. Eligible cockpit products include SystemBar R-One Bar Only, SystemBar R-One Road Bars, SystemBar Road Bars, and SystemBar Road SL Bars. Discount applies only to qualifying products purchased during the promotional period, cannot be combined with other offers or discounts, is non-transferable, and has no cash value. Cannondale reserves the right to modify or cancel this promotion at any time.