Some wheels feature spoke nipples accessible only through holes on the outside of the rim. The SW-18 is specifically designed to access these hard-to-reach internal nipples. Features a comfortable dual-density handle and an extra long shaft for deep aero rim cavities.

SW-18 FEATURES
Sized for 5.5 mm hex-shaped internal nipples
Shaft length: 825 mm (3.25")
Shaft outside diameter: 8.2 mm (0.32")