Park Tool Internal Nipple Spoke Wrench 5.5MM Hex (SW-18) motor_shimano Average weight: 88g

Average weight: 88g

Microphone: Dual Noise-Canceling Mic

Sits high on the tow ball

Numbered gear display indicates gear position at a glance

Park Tool Internal Nipple Spoke Wrench 5.5MM Hex (SW-18) motor_shimano Average weight: 88gAbout Park Tool Internal Nipple Spoke Wrench 5. 5MM Hex (SW 18) 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. Features Sized for 5. 5 mm hex shaped internal nipples Shaft length: 825 mm (3. 25") Shaft outside diameter: 8. 2 mm (0.