Take full control of your saddle height on the fly with the EXA Form 900i Dropper Post. Designed for internal routing and cable-actuated hydraulic operation, this dropper post is built for reliable, smooth travel on rugged MTB terrain. Available in multiple lengths and diameters, with adaptor options to suit various seat tube sizes.
Key Features:
• Internal Cable Routing: Clean, low-maintenance setup with internal wire control
• Smooth Hydraulic Action: Reliable up/down operation with consistent return speed
• Wire-Controlled Remote Activation: Simple bar-mounted remote for fast seat height changes while riding
• Multiple Length & Travel Options:
o 345 mm – 100 mm travel
o 395 mm – 125 mm travel
o 445 mm – 150 mm travel
• Versatile Diameter Compatibility:
o Standard: 30.9 mm
o Also fits 31.6, 33.9, and 36 mm with adaptor (please specify if an adaptor is required)
Specifications:
• Model: KSP900-I (Wire Control 900i)
• Brand: EXA Form (KS)
• Post Lengths: 345 / 395 / 445 mm
• Travel Options: 100 / 125 / 150 mm
• Diameters: 30.9 mm (standard), 31.6 / 33.9 / 36 mm with adaptor
• Actuation: Internal cable-actuated hydraulic
• Cable Length: 1600 mm (adjustable)
• Weight: Approx. 500–600 g (varies by size)
• Max Rider Weight: 100 kg
• Includes: Dropper post, remote + cable kit, and user instructions
Whether you’re riding XC, enduro, or trail, the EXA Form 900i offers quick saddle height adjustment for efficient climbs and aggressive descents.
For any tech nerds out there EXA form is the sister brand of KS. The Key difference is EXA Form is made by Chinese in China, Where KS is made by Chinese in Taiwan. Same design team, same component suppliers.
Take full control of your saddle height on the fly with the EXA Form 900i Dropper Post. Designed for internal routing and cable-actuated hydraulic operation, this dropper post is built for reliable, smooth travel on rugged MTB terrain. Available in multiple lengths and diameters, with adaptor options to suit various seat tube sizes.
Key Features:
• Internal Cable Routing: Clean, low-maintenance setup with internal wire control
• Smooth Hydraulic Action: Reliable up/down operation with consistent return speed
• Wire-Controlled Remote Activation: Simple bar-mounted remote for fast seat height changes while riding
• Multiple Length & Travel Options:
o 345 mm – 100 mm travel
o 395 mm – 125 mm travel
o 445 mm – 150 mm travel
• Versatile Diameter Compatibility:
o Standard: 30.9 mm
o Also fits 31.6, 33.9, and 36 mm with adaptor (please specify if an adaptor is required)
Specifications:
• Model: KSP900-I (Wire Control 900i)
• Brand: EXA Form (KS)
• Post Lengths: 345 / 395 / 445 mm
• Travel Options: 100 / 125 / 150 mm
• Diameters: 30.9 mm (standard), 31.6 / 33.9 / 36 mm with adaptor
• Actuation: Internal cable-actuated hydraulic
• Cable Length: 1600 mm (adjustable)
• Weight: Approx. 500–600 g (varies by size)
• Max Rider Weight: 100 kg
• Includes: Dropper post, remote + cable kit, and user instructions
Whether you’re riding XC, enduro, or trail, the EXA Form 900i offers quick saddle height adjustment for efficient climbs and aggressive descents.
For any tech nerds out there EXA form is the sister brand of KS. The Key difference is EXA Form is made by Chinese in China, Where KS is made by Chinese in Taiwan. Same design team, same component suppliers.
