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eThirteen Helix Plus cassette 9-50T 12-speed black

128683 / 4710751509641 / FW2HPA-100
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  • Helix Plus 12-speed, 556% Range More Range, Less Weight @406g

    Engineered for E-bike durability and cross experience compatibility with SRAM and Shimano drivetrains.
    This 9-50T combination is the hot set up for your 12 Speed MTB and allows for a 2 tooth smaller front chainring, shorter chain length, more clearance and range with our exclusive 9 tooth smallest cog.
    Future proof your bike, save weight and cash with the Helix Plus Cassette.

    • Compatible with SRAM and Shimano 12 speed drivetrains
    • Improved shifting performance including Shimano 12 Speed compatibility
    • Improved interface between steel and aluminum clusters
    • E*spec uprated for E-bike use
    • 2-piece design allows for replaceable aluminum cogs
    • Reduces rear wheel weights, improves braking, suspension function and handling
    • Designed to shift with Shimano and SRAM systems without compromise, so the rider can change components without concern
    • e*thirteen’s wider range and 9 tooth cog allows riders to run a 2 tooth smaller chainring for more clearance and reduced weights
    • XD driver required
    • Compatibility: Please reference our hub compatibility article to ensure the e*thirteen cassette will work on the hub you have before purchase.
    • Freehub Mount: XD and XDR Drivers Only
    • Material: 2 aluminum cogs, 10 steel cogs
    • Range: 556%
    • Size: 9-50T: 9, 11, 13, 15, 17, 20, 23, 27, 31, 36, 42, 50
    • Speeds: 12 Speed
    • Weight: 406g


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  • Show all items from eThirteene*thirteen is a cycling component manufacturer that produces a wide range of products for mountain biking, including cranks, chain guides, and cassettes. The company is known for its innovative designs and high-quality craftsmanship, and its products are used by some of the top professional mountain bikers in the world.

    One of e*thirteen's most popular products is the TRS+ crankset, which features a unique design that provides increased stiffness and responsiveness. The TRS+ crankset is also highly customizable, with a wide range of adjustability options that allow riders to fine-tune the suspension to their specific needs. It also includes an integrated bash guard, which helps to protect the chainring from damage.

    Another popular product is the LG1+ chain guide, which is designed to provide a smooth and reliable chain retention for aggressive riding. The LG1+ chain guide is available in both air and coil versions, and it features a wide range of adjustability options that allow riders to fine-tune the suspension to their specific needs.

    In addition to its suspension products, e*thirteen also produces a number of other high-end components, including cassette, wheels, and dropper posts. The company is also known for its excellent customer service and technical support, which is highly valued by its customers.

    If you're looking for a top-of-the-line suspension setup for your mountain bike, ethirteen's products are definitely worth considering.
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