Redshift ShockStop Endurance Suspension Seatpost

Redshift ShockStop Endurance Suspension SeatpostThe ShockStop Endurance Suspension Seatpost (our original seatpost) provides 35mm of tunable, ultra responsive suspension travel for the ultimate bump eating comfort. Ride farther, faster, and more comfortably on the bike you already own, while the ShockStop Endurance Suspension Seatpost lets you float over rough terrain. Benefits: Ride farther & more often the ShockStop Endurance Seatpost reduces fatigue from bumps and vibrations with superior shock

The ShockStop Endurance Suspension Seatpost (our original seatpost) provides 35mm of tunable, ultra-responsive suspension travel for the ultimate bump-eating comfort. Ride farther, faster, and more comfortably on the bike you already own, while the ShockStop Endurance Suspension Seatpost lets you float over rough terrain. 

Benefits:

• Ride farther & more often - the ShockStop Endurance Seatpost reduces fatigue from bumps and vibrations with superior shock absorption. 
  
• Ride faster & reduce fatigue - energy that is normally wasted suspending your body is converted into forward motion. 
  
• Better performance & complete control - customize your suspension seatpost feel to float over obstacles and maintain traction and control. 
• For the ultimate suspension system, pair with the ShockStop PRO Stem or ShockStop Stem  

Features:

• 35mm of active suspension travel
• Optimized linkage geometry provides ultra-responsive suspension feel
  
• Infinitely adjustable stiffness via pre-load adjustment and swappable springs
  
• Adjusting stiffness / pre-load does not reduce travel
  
• Swappable springs included to accommodate heavier riders and/or ride preference
  
• Di2 battery compatible with 27.2mm diameter x 350mm long size (see specs for details)
  
• Check technical specifications for sizes & compatibility

What's in the Box:

• 1 x ShockStop Endurance Suspension Seatpost
  
• 2 x springs (1 pre-installed, 1 included in box for increased stiffness)
  
• All required hardware

Specifications:

Diameter: 27.2mm, 30.4mm, 30.9mm, 31.6mm
Length: 280 mm (11 in), 350 mm (14 in), 400mm (15.7in), 450mm (17.7in)
Suspension Travel: 35 mm (1.4 in)
Rearward Offset: 7 mm (0.27 in)
Rearward Offset (@ 25% travel): 12 mm (0.47 in)
Spring Pre-load: User Adjustable
Weight: 280 mm – 497 g - w/main spring, 350mm – 547 - 634g - w/main spring, 400mm – 636 - 683g - w/main spring, 450mm – 704 - 732g - w/main spring
Rider Weight Limit: 110kg (242lb) for 27.2mm and 30.4mm diameters, 120kg (264lb) for 30.9mm and 31.6mm diameters
Material: 6061 T6 Aluminum Alloy
Saddle Rail Compatibility: 7mm round & 7x9mm oval
Di2 Battery Compatibility: Only compatible with the 27.2mm diameter x 350mm length (requires mount kit sold separately)
Intended Use: ASTM F2043 Class 2 - For on and off-road riding and drops less than 15cm (6")