Niner Bikes NZ - Running the new SIR 9 with the Boost RDO MTB Fork: "The SIR was designed around a 120mm suspension fork resulting in a 68 degree head tube angle.
Niner RDO 12 mm 45 Offset Gravel Fork, Black | Bikeinn
2019 Niner boost RDO carbon MTB fork For Sale
Freewheeler - Niner's new Boost RDO Carbon Fork - You can now run their imfamous fork on boost 110mm bikes. Perfect way to lighten up a plus bike! | Facebook