{"product_id":"gilles-acma-steering-stem-nut-m28x1-kawasaki-zx-4-rr-2023-2025-acma-28-10","title":"Gilles ACMA Steering Stem Nut M28x1 Kawasaki ZX-4 RR (2023-2025) – ACMA-28-10","description":"\u003cp\u003eThe ZX-4RR is a four-cylinder 400 with a redline most big bikes never reach, and its cockpit copies the larger Ninjas: clip-ons under the top yoke, with the steering stem nut in plain view. The Gilles ACMA makes that nut a detail: aluminium 7075, anodised black, blue or red.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eM28 x 1.0 thread\u003c\/li\u003e\n\u003cli\u003eNot for rear wheel or swingarm axles (Gilles)\u003c\/li\u003e\n\u003cli\u003eDesigned exclusively as a steering head nut\u003c\/li\u003e\n\u003cli\u003eAluminium 7075, anodised\u003c\/li\u003e\n\u003cli\u003ePatented pin-interlock anti-twist lock, taken over from the ACM axle nut\u003c\/li\u003e\n\u003cli\u003eNo registration required, according to Gilles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRR or R, same nut\u003c\/h2\u003e\n\u003cp\u003eGilles lists the ACMA for type ZX400P, which covers both the RR and the plain ZX-4R, so either can use this part. Gilles' own photo shows the black version fitted to a ZX-4R: centred on the yoke, next to the ignition lock.\u003c\/p\u003e\n\u003ch2\u003eRoad Approval\u003c\/h2\u003e\n\u003cp\u003eGilles lists the ACMA as not requiring registration on the Kawasaki ZX-4 RR: no inspection and no entry in the vehicle documents. Because it sits on the steering head, the correct torque is the part that is not optional.\u003c\/p\u003e\n\u003ch2\u003eScope of Delivery\u003c\/h2\u003e\n\u003cp\u003eA single ACMA nut in aluminium 7075, thread M28 x 1.0, colour as selected.\u003c\/p\u003e\n\u003ch2\u003eFitting\u003c\/h2\u003e\n\u003cp\u003eAfter fitting, turn the handlebar from lock to lock and rock the fork with the front brake applied: no play, no tight spots. If anything feels different from before, have the steering head checked.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Gilles Tooling\u003c\/li\u003e\n\u003cli\u003eSeries: ACMA\u003c\/li\u003e\n\u003cli\u003ePart number: ACMA-28-10.b (black), ACMA-28-10.bl (blue), ACMA-28-10.r (red)\u003c\/li\u003e\n\u003cli\u003eType: Steering stem nut for the top yoke\u003c\/li\u003e\n\u003cli\u003eThread: M28 x 1.0\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminium 7075, anodised\u003c\/li\u003e\n\u003cli\u003eLocking: Patented pin-interlock anti-twist lock\u003c\/li\u003e\n\u003cli\u003eUse: Steering head only, not for wheel or swingarm axles\u003c\/li\u003e\n\u003cli\u003eFitment: Kawasaki ZX-4 RR (2023–2025)\u003c\/li\u003e\n\u003cli\u003eRoad approval: Not required (Gilles)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gilles Tooling","offers":[{"title":"Black","offer_id":53780827635978,"sku":"ACMA-28-10.b","price":46.52,"currency_code":"EUR","in_stock":true},{"title":"Blue","offer_id":53780827668746,"sku":"ACMA-28-10.bl","price":46.52,"currency_code":"EUR","in_stock":true},{"title":"Red","offer_id":53780827701514,"sku":"ACMA-28-10.r","price":46.52,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/ACMA-28-10.b_1_d670640f-7298-40e9-b9bb-227b5da420a8.png?v=1789990069","url":"https:\/\/inter-pace.com\/products\/gilles-acma-steering-stem-nut-m28x1-kawasaki-zx-4-rr-2023-2025-acma-28-10","provider":"Inter-Pace","version":"1.0","type":"link"}