Chums Neo MegaFloat Retainer 11-Speed Rear Derailleur microSHIFT Advent

Rear Derailleur microSHIFT Advent

one All-Water Fin

Park Tool Director of Education

Faster and shockless shifting

Chums Neo MegaFloat Retainer 11-Speed Rear Derailleur microSHIFT AdventThe Neo Megafloat, our highest rated floating eyewear retainer, fits most frames. Increased temple size is designed for larger frames. Filled with closed cell foam, it'll float up to 85 grams (3 oz.), keeping your shades off the bottom. The lock stitched ends slip over most size eyewear frames. For a tighter fit, slide the retainer further down your frames. Jumbo sized floating retainer for heavier glasses Soft, foam filled neoprene Will float up to 3