The orange rear sprocket is already a true classic that has established itself with really strong arguments and many benefits: Manufactured from high-strength 7075-T6 aluminium, the strongest aluminium in the world Free from vibration - therefore the highest power transmission efficiency No small stones or dirt particles can become stuck under the chain thanks to angled recesses between the teeth Orange anodised with a permanent, organic and environmentally friendly pigment FITS ON MANY KTM YEARS AND MODELS. PLEASE CONTACT THE SELLER WITH ANY QUESTIONS ABOUT FITMENT . NOT RESPONSIBLE FOR IMPROPER FITMENT