Suspension + Drop. The Coast Post combines the benefits of a dropper with the joint saving squish of suspension. This witchcraft all happens via a dual chamber hydraulic cartridge featuring 40mm of tunable air suspension, designed to help riders on all types of bikes - from packed up trekkers, to the cross country wanderers, even the weekday commuters.

Specifications - Internal Routing:

Travel: 100mm (27.2) | 120mm (30.9/31.6)
Seat Collar to Center of Rails: 170mm (27.2) | 175mm (30.9/31.6)
Total Length: 385mm (27.2) | 400mm (30.9/31.6)
Min. Insertion Length: 145mm (27.2) | 100mm (30.9/31.6)
Full Insertion Length: 215mm (27.2) | 225mm (30.9/31.6)

Weight:

• 27.2mm - 596g
  
• 30.9mm - 596g
  
• 31.6mm - 610g

Specifications - External Routing:

Travel: 100mm (27.2) | 120mm (30.9/31.6)
Seat Collar to Center of Rails: 180mm (27.2) | 180mm (30.9/31.6)
Total Length: 380mm (27.2) | 400mm (30.9/31.6)
Min. Insertion Length: 122mm (27.2) | 90mm (30.9/31.6)
Full Insertion Length: 200mm (27.2) | 215mm (30.9/31.6)

Weight:

• 27.2mm - 622g
  
• 30.9mm - 622g
  
• 31.6mm - 640g