Thumb Sucker Seat Post Clamp
- The Revcore classic is back!
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Precision CNC machined from a single block of aluminium.
- Heat treated and stress relieved.
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Offset center for better grip.
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Opposite threading bolts to disperse pressure points.
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Available in old school and new school sizes.
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New School size: takes a 25.4mm seat post.
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Old School size: takes a 22.2mm seat post.
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28.57mm diameter
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As per many requests, Clamp sells in flat finish (Not polished as shown in the photos) .

