USE XCR Shock Post vintage ATB 25.0 w 27.0 shim 385mm length.

USE XCR Vintage ATB suspension seat post. 
Clear anodized post. Black rubber boot in great condition. 27.0 shim mated to 25.0 diameter post. 385mm length from end to seat rail clamp. Zero setback 

Seat cradle parts all intact and included.  Suspension media (yellow elastomer and yellow coil spring) in good shape. Not goopy or hard.  
Shipping CONUS included with price.