Praxis Cycles will soon debut its first complete mountain bike cassette aimed at riders who want more range from their current 10-speed systems but aren't interested in breaking the bank for a complete 11-speed setup. The new cassette will feature a wide 11-40T range, even ratio jumps, and a price and weight roughly on par with Shimano Deore XT.
Aftermarket 'range expander' cogs have been available for some time now for 10-speed drivetrains, adding a hill conquering 40-tooth or 42-tooth on top of the standard 36-tooth one. Their add-on nature doesn't come without compromises, though. Adding that cog forces users to remove another cog elsewhere in the cassette to make room – which produces an awkward ratio gap – and the jump from the original 36T cog to the new add-on gear isn't always factory-smooth. In addition, those new range extenders are often added to older cassettes and chains, which can make for a rough-feeling drivetrain and accelerated wear.
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The new Praxis wide-range 10-speed cassette promises better shifting performance than other cassettes that have been modified with an add-on range expanding cog
Instead of jumping into the increasingly-crowded expanded range market, Praxis Cycles has decided to launch a complete wide-range cassette with a useful 11-40t spread. Praxis says that since its new cassette was designed from the outset as a cohesive unit, its new cassette will have relatively even ratio gaps throughout and will offer smoother shifting performance than any add-on system.
Praxis isn't releasing complete details just yet, but we do know that the new cassette will feature a mix of steel and aluminum cogs with standard 10-speed spacing for use on Shimano or SRAM transmissions (although something like the new Lindarets GoatLink might still be a good idea). The weight target is roughly on par with Shimano Deore XT, which would put the Praxis cassette at about 340g. Pricing is still being finalized but provided Praxis can keep costs in check, this new cassette should be very enticing given that many range extending setups cost nearly US$100 for a single cog.
You can read more at BikeRadar.com
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