1 Bolt Tendon Mast Base US Cup
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The Gold Standard in Windsurfing UJs- the Chinook One Bolt Tendon US Cup UJ has been around for ages, for a reason! It is tried and true!
1-Bolt Twist-On Mast Base Universal Complete US Base Cup
- Tendon joint provides excellent performance
- Easy to service and replace
- Very low to the deck
- Four finger ribs for easy adjustment
- US Base Cup attachment to extension