The Blackburn Trakstand has ultra smooth, ultra quiet, ultra-realistic resistance. The new TrakStand Ultra features CENTRIFORCE resistance unit with a centrifugal clutch for amazingly smooth, silent and progressive resistance that feels just like a hard ride on the open road. And unlike magnetic and fluid trainers which lose speed quickly, CENTRIFORCE has a smooth rollout when coasting, so your pedal stroke feels more natural in the dead spots or when you ease up on the pedals.

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The Ultra also features adjustable height, which allows the rear wheel to be as close as ¼” to the ground. No more phone book under the front wheel. Specifications: -Folding aluminum frame -Three different resistance curves for a custom feel (user serviceable with minor disassembly) -Replaceable friction resistance element -5 Year Warranty

Wheel Size: 700c, 650c, and 26"

Frame Material: Aluminum

Resistance Setting: Progressive; Three internal curves