NuVinci Continuously Variable Planetary Hubs. Simple twist control for smooth, progressive shifting. Features: CVP (Continuously Variable Planetary) drivetrain technology with infinitenumber of ratios Simple twist controller enables easy, continuous ratio adjustments while pedaling, coasting or at a stop. No missed gears, hesitation or noise. New, Never Used, OEM, This item is exactly as pictured and does not include retail packaging. CVP (Continuously Variable Planetary) drivetrain technology with an infinite number of ratiosSimple twist controller enables easy, continuous ratio adjustments while pedalingNo missed gears, hesitation or noiseIncludes Cruise-Controller shifterRecommended gear ratio is 2 to 1 (ex. 36/18)18t cog includedHubs shift drive fits behind dropout for clean installationShifters cable has quick clip on and off system to allow for simple flat repair Item Specifications Color: SilverWeight: 2450gIntended Use: Road/cruiserHub Drilling: 36 spokesRear Axle Type: 10x1Cassette Body Type: Threaded, StandardHub/Brake Compatibility: Roller BrakeRear Hub Spacing: 135mmSkewer Included: NA, Bolt-On
L**.
Very nice gear invention
A bit strange to fluidly change gears, but very easy for the knees to keep rotating with small speed differences when changing the 'gear'-shifter.The range of lowest 'gear' and highest 'gear' seems a bit small for both high speed on flat and low speed up hill.But fits perfectly for my cargo bike.Then why not 5 stars: the shifter is able to be overturned which twist the shifter cables and damages them so they snap. The stop inside seems to be too soft in 1 direction thereafter. So check that you install it tightly that the stop inside works in both twistdirections. Once I realised it, no problem reoccurred as long as I am careful not overturning it again. Shifters that are properly installed should remain fine I think.
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