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    • Tuned Front and Rear Carbon Wheel System for enduro riding and racing.
    • Front and rear specific wheels tuned and optimized to address the specific performance requirements and loads of mountain bike riding.
    • Compliant tuned front wheel improves handling and maximizes grip and control in turns. Wider inner rim width supports wider tire profile in front, increased volume and contact patch, and rounds tire profile to enhance turning.
    • Stiff tuned rear wheel supports peak loads and enhances stability and tracking at speed. Narrower inner rim width supports narrower tire profile in rear, improves rolling resistance, and sharpens tire edge for grip


    engagement (I9) 0.52º Quick Engagement/ Six Pawls
    engagement (P321) 2.5º quiet engagement / magnetic pawls (x6)
    ETRTO (27.5) 585mm
    ETRTO (29) 622mm
    hub (I9) Synthesis 11 (Industry Nine Hydra Hub)
    hub (P321) Synthesis 11 (Project 321 internals)
    Hub Type 6 Bolt
    inner rim width front 31.5mm
    inner rim width rear 29.5mm
    outer rim width front 37.5mm
    outer rim width rear 36.5mm
    rim height 18mm
    spoke count front 28
    spoke count rear 32
    spokes front Sapim CX-Ray
    spokes rear Sapim CX-Sprint
    warranty lifetime (rim only)
    weight per set (27.5) 1760g
    weight per set (29) 1825g
    *Please note that our specifications may be impacted by running substitution changes, we highly recommend confirming the specifications of our products at the time of sale. *Recommended Retail Prices are subject to change without notice and may vary from store to store depending on freighting and assembly costs. Please read our Terms & Conditions

    *Giant & Liv Bicycles are available for purchase online, but due to warranty regulations, must be shipped to qualified Giant dealers, as bicycles must be assembled by a qualified bike mechanic in an approved store - This is an international policy and usually will require an additional fee to build the bike. This will be confirmed by one of our online staff after purchase of the bike.

    *Specialized Bicycles are available for home delivery nation wide.

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