Check out any of the five Rear Suspension components enlisted.
Parts such as the Rear Suspension: Bush, Rear Shock Absorber, Shock Absorber Assembly, Rear Lrys1, Bolt, Washer Based (26h), Washer, Plate (5g2) are included in the Xt225 Xt225c 2000 (y) Usa California Rear Suspension parts fiche.