Does anyone have a good solution for how I can mount a BTS bottle cage adapter on my SP0077 seatpost w/ Selle Italia slr Boost Superflow saddle for an Ironman tri setup?

I see that the spacing between the bolt holes are different than for the speedmax adapter interface. Is perhaps a saddle rail solution the best option? I’m considering the EZ Hydro Gains, but its quite pricey.

My bike for reference: Aeroad CF SLX 8 Di2 (2026) with Gear Groove Aero Extensions

by Pettussen

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