Needle bearing needle rim bearing piston. Dimensions: 12 x 16 x 13 cm. 10 needles. Suitable vehicles: S51, S50, S60, S70, SR50, SR80 S53, S83, KR51/1 & KR51/2 Schwalbe, SR4-2 Star, SR4-3 Sperber, SR4-4 Habicht Duo 4/1