https://www.powerplant.co/collections/parts-store/products/p16-arlen-ness-knurled-throttle-by-cable-grips Power Plant × Arlen Nessのダブルネーム。 Power Plant Motorcyclesより、P16 & Arlen Ness Knurled Grips。 Arlen Ness製Knurled Gripsをベ…