RST's Single Shock series is a well-engineered, lightweight alternative to a traditional suspension fork. The elegant, clean appearannce of a rigid fork but with comfortable and efficient suspension. A technical highlight. 

Specification

 MODEL:           SS-A7-T    SS-A7

 Wheel size     700C

 Travel(mm):   30mm    35mm 

 Features: Alu. Blade Spring Preload Alu. Blade
Steerer: 28.6 mm 7050 Aluminum (Min. length: 200mm)
 Lower casting:  Aluminum 9mm open dropout 

Brake:  Disc only or Disc + V-brake(Optional Roller Mount)
Weight(kgs): (w/ 200mm steerer) 1.6