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20mm offset
Fabric Technology: Chlorine-resistant
internal bike cable routing
- Flared cage design: Makes inserting bottle easy
Waterproof cover offers versatility
Aquasphere Microfin - Swim Fins Bike Accessories_Front Derailleur 20mm offsetMicrofin is a short blade training fin for a leg muscle work out. The unique structure acts specifically on those body areas that competitive swimmers need to strengthen. The closed heel foot pocket is fitted to efficiently transfer power from foot to fin while the short blade is calibrated to allow for a consistent kick tempo while maintaining proper technique. Top quality materials provides efficiency, durability and comfort without cramps.