Nimbus VCX ISIS crank arms are deep pocket forged and CNC machined to optimize stiffness and strength. The Nimbus VCX is an incredibly light & stiff performance crank set for today's riders for trials, flat, XC, trail and all-mountain riding. Quite possibly the most versatile crankset you will ever own.
What's the difference between Cotterless and ISIS cranks? Click below to find out!
Material: 6061 T-6 Aluminum.
Weight (pair): 376g
Q-Factor: Almost Zero Q-factor - This is the amount a crank bends outwards. Zero means it doesn't lean outwards at all. The straighter the crank the better for speed, the wider the better for ankle clearance and greater maneuverability.
Note: Crank length is measured from the center of the axle hole to the center of the pedal hole. Sold in pairs.
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Posted by Jacob on Sep 24th 2018
I put these crank on my NimbusII 24" unicycle that I've converted into a mountain unicycle. The old 125mm cranks just didn't have the torque I needed, but these 150mm are perfect. Easy to get used to as they are not much longer, but you instantly feel more in control and have a much easier time going up hills. I have a rim brake, so I can't say much about downhill, but I couldn't see anyone needing 165mm on a 24" wheel unless you had some crazy hills and no brake.
nimbus mountain crank
Posted by Unknown on Dec 21st 2017
very nice solid crank. used the left side 150mm due to a medical condition with flexing my knee.