Willy is used to protect from gravel and dirt!
Willy fits 30.9/31.6mm diameter seatposts and frames.
Willy MAX fits frame with the larger 34.9mm seattube and seatpost diameter.
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Willy is used to protect from gravel and dirt!
Willy fits 30.9/31.6mm diameter seatposts and frames.
Willy MAX fits frame with the larger 34.9mm seattube and seatpost diameter.
