A beautifully discreet mirror for mounting in the end of your handlebar, the Spin mirror is ideal for road or sports use on drop handlebar bikes. For storage and protection, the mirror folds away under the handlebar. Triple Adjustment: Orientation perfectly tailored to your position. Material: Unbreakable chrome plated plastic. Fixation: Universal bar end fitting (left and right). Mirror: Convex. Size of Mirror: 15cm. Handlebar Dia: 16mm to 22mm. Weight: 45g.