Brake shoes 135x30 for GSM drum brake systems on braked trailers. ECE R90 approved, approval number E11 90R-01706/6009. The set contains 4 brake shoes including spring kit and is used for servicing or replacing worn brake components. Check brake type and 135x30 dimension against your GSM axle and verify against documentation.
Brake shoes 135x30 for GSM drum brake
Brake lining wears gradually with use. Check thickness during servicing and replace when worn. Always replace in pairs on the same axle. Check spring function and brake drum during replacement. Even on light trailers, the braking system is critical for road safety.