USWE Bite Valve - 45 Degree Do Not Ship Internationally The SK-3 includes more than

The SK-3 includes more than 15 genuine Park Tool products plus a custom Park Tool toolbox

Lowest profile of any trainer

Bondhus Protanium high torque steel

Unique oversized straight pull flanges vastly improve contact and support between spokes in a 3 cross lacing

210D nylon TPU (Inside)

USWE Bite Valve - 45 Degree Do Not Ship Internationally The SK-3 includes more than45 Degree Information: This easy flow bite valve is a proven performer that has a 45 degree angle for natural ergonomics, twist on off function, and a big flow. PRODUCT SPECIFICATIONS 45 degree angle Winged twist lock shut off Straight Information: Bite Valve with straight connector for high performance situations. Very easy to use, just bite and sip! PRODUCT SPECIFICATIONS Includes 1x silicone bite valve and 1x straight plastic connector