* Noise level at 20 mph is super quiet 64-68 decibels. * Best selling trainer on the market * Built with 100-Percent recyclable, non-rusting materials * Made in the USA * Steel quick release skewer included. * Spring loaded, bolt-action lever. * Precision-balanced flywheel lets you easily customize each ride. * Precision-machined alloy roller reduces tire wear and slippage. * Clutch knob provides perfect roller to tire tension. * Includes: * Standard 9mm QR skewer * Robert Axle Project 12mm skewer * Magriser front tire holder. * $200