This is a custom-made riser kit designed specifically for BMC Carbon Aero Cockpit Clip-On Extensions (ICS system).
Unlike Profile Design or other generic risers, these spacers are tailored to fit the BMC ICS Carbon Aero cockpit mounting geometry and dimensions.

Included:
2x 10mm spacers
2x 20mm spacers
2x 30mm spacers
These spacers can be stacked to achieve additional heights:
2x 40mm (10 + 30)
2x 50mm (20 + 30)
2x 60mm (10 + 20 + 30)

Bolts included for all configurations:
4x M5x35mm (for 10mm spacers)
4x M5x45mm (for 20mm spacers)
4x M5x55mm (for 30mm spacers)
4x M5x65mm (for 40mm setups)
4...