- Black springs - Clear body - Piston diameter: 36mm - S: Single tube body - E: Emulsion type shock absorber - Length: 296 mm - Stroke: 71 mm - Rate N/mm: 20-29 N/mm - Mounted spring: 00360-06 - Packaging unit: pair - ABE approved. These STX36's are designed to replace the dual shock absorbers on Touring models for comfort and improved rideability of your bagger.