Check the listing for details. Cannondale Speed Sleeve Medium Black - 3SB801SM/BLK. Condition: New with tags. Listed at 11.76 USD. SpeedSleev* is an ultra -lightweight retention system designed to securely carry a wide variety of ride essentials. Heavy gauge elastic bands combine with a super grippy fabric that holds tight on the frame or seat post, even over the harshest terrain. Available in two sizes, the SpeedSleev can fit on almost any part of the frame and can hold anything from flat repair to nutrition bars.Fits on almost any part of the frame and can hold anything from flat repair to nutrition bars.. Top tube mount for gels and nutrition: grips and holds several packs, and offers quick access to fuel during your ride to ensure you have a full tank. Seatpost mount: Just the essentials, all in a clean and ultralightweight bundle with quick access when needed . Seat tube mount: Makes a great u.