Park Tool SW-16 Internal Nipple Spoke Wrench - 3.2mm Square Cassons and previous external bearing threaded

and previous external bearing threaded cups

The thru-axle version of the popular Morgan Blue chain keeper

Bio Formula easily cuts through tough grease

SILCA Synergetic oil has tested internally to be the fastest and quietest oil-based lubricant ever tested

Park Tool SW-16 Internal Nipple Spoke Wrench - 3.2mm Square Cassons and previous external bearing threadedSome wheels feature spoke nipples accessible only through holes on the outside of the rim. The SW 16 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. Specifications Sized for 3. 2 mm square shaped internal nipples Shaft length: 825 mm (3. 25") Shaft outside diameter: 6 mm (0. 24") Mfr Claimed Weight TBC