Skip to Content

21mm cone wrench / spanner - SCW-21 - by Park Tool

This 21mm cone spanner from Park Tool is unmatched in quality and performance and these cone wrenches have become the standard of the bicycle industry. The SCW-21 is the 21mm version.
  • Brand - Park Tool

21mm cone wrench / spanner - SCW-21 - by Park Tool

Fits 21mm nuts on hub cones and centering nuts on various U-brakes.

The special "Y" head design puts more material where it's needed for strength and durability.

Precision sizing and a military grade industrial phosphate finish ensure an accurate fit and consistent quality.

Thin enough to use on the narrowest of adjusting cones, the SCW workshop cone wrenches have a long, vinyl dipped handle for leverage and comfortable use.

This is the 21mm version, other sizes are available - ranging from 13mm to 28mm, SCW-13 through SCW-28.

Park Tool reference: SCW-21


Brand Park Tool