I have a Ritchey mast topper with a 7x7mm clamp. I also have a Selle Italia SLR kit carbonio flow (2014) with Carbokeramik Ø 7 mm rails. However the rails measure about 7x8mm.
Ritchey has 7x9mm and 8x8.5mm. Which to choose?
Seat post clamp 1-bolt Ritchey
Moderator: robbosmans
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