EXA Form 260 coil shock absorber.For full suspension bikes, MTB / Trekking / City.ExaForm 260 series coil shocks pack in many features found on higher end shocks. Equipped with a preload adjustable coil spring. Low cost does not mean low value. ExaForm’s 260 rear shocks are the perfect enhancement to any value- oriented or entry level off road or youth bicycle..Features:- Threaded spring preload.- Aluminum core, steel spring.- Lenght: 150 mm. / Travel: 30 mm.