The Drive Si is one of the higher-end offerings from Exaform. It is packed with high-end features including an adjustable air-sprung hydraulic cartridge all at a great price.


  • Internal cable routing
  • Available in 27.2, 30.9 & 31.6mm sizes
  • Travel options include:  65, 75, 100,120,125 & 150mm
  • Aluminium construction
  • Weight: Approximately 525 grams (150mm)
  • Backed by our local warranty and service centre

For more on Exaform check out our story here


Brand Exaform
Shipping Weight 1.0000kg
Shipping Width 0.200m
Shipping Height 0.500m
Shipping Length 0.400m
Type Seats and Seatposts

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