IVA: Incremental Volume Adjust A 5 position spacer system to tune positive air chamber volume and increase progression Thread M31 x 0.8 mm Finer thread than the Mattoc/Magnum IVA upgrade kit
Manitou Racing Development (MRD) Upgrade kit. Fits Dorado 2009-2019 Includes Dorado Infinite Rate Tune (IRT) air spring upgrade kit, Trail Side Relief bleeder caps & high performance MRD wiper seals
Manitou Mattoc IRT Upgrade Kit 2020+ Adds a second air chamber for independent tuning of mid-end stroke. Compatible with 2020+ Mattoc Pro, Mastodon Pro & Circus Pro can be fitted to Comp with a piston swap. Installs with a cassette tool and uses a flatter cap than earlier versions
IRT: Infinite Rate Tune Adds a second air chamber for independent tuning of mid-end stroke. Coarse thread M32x1.0mm for 2014-2019 Mattoc, Magnum, Mastodon Pro and Expert level forks. Manitou Part Code: 141-32668-K003 Learn More