Escape into the great outdoors with the Helix Plus Cassette, a groundbreaking 12 speed drivetrain solution by e*thirteen. Offering an unmatched 9-50T range for mountain biking (MTB), this cassette is designed for peak performance, efficiency, and longevity. This innovative product brings an industry-leading 556% range to your bike workshop, ensuring incredible gear flexibility without any increase in weight. In fact, the entirety of the Helix Plus is a mere 406g, making it an ultra-light yet immensely robust addition to your ride.Crucially, the Helix Plus 12-speed cassette is cross-compatible with both SRAM® and Shimano® drivetrains, offering unprecedented versatility. Whether you sport a Shimano® or SRAM® setup, rest easy knowing the Helix Plus Cassette will integrate seamlessly into your ride.Key Features:• Compatible with both SRAM® and Shimano® 12-speed drivetrains• Superior, industry-leading 556% range• Excels due to its lightness, weighing only 406g• Enhanced with improved shifting performance• Unmatched engineering designed explicitly for E-bike durability• Features a 2-piece design that houses replaceable aluminium cogsTechnical Specifications:• Freehub Mount: Compatible with XD® and XDR® drivers• Build materials: 2 aluminium cogs and 10 steel cogs• Sizes: Cogs of 9-50T: specified in 9, 11, 13, 15, 17, 20, 23, 27, 31, 36, 42, 50 sequences• Speeds: 12 Gear SpeedsThe Helix Plus is no mere cassette, it is the future of MTB and E-bike drivetrains. Upgrade your ride, shrink your chainring, and lessen your weight; let efficiency and performance characterise your future rides with the Helix Plus Cassette, an exquisitely designed masterpiece by e*thirteen.