Wera wrench double open end 20/22 Joker - 20mm and 22mm bolts and nuts 508600 OEM replacement reference 27391-36 /

OEM replacement reference 27391-36 / 1236-36

Installs on the left side on the frame down tube behind the rear cylinder on 4-speed B

without damage or stress to the 6-speed precision bearings

Care and Maintenance

Premium rubber/cork blend

Wera wrench double open end 20/22 Joker - 20mm and 22mm bolts and nuts 508600 OEM replacement reference 27391-36 /The Joker has a non angled 12 point beak, therefore it requires just 30 of working space, otherwise it functions just like a regular open end wrench. The dark metal plate dual functions as a retainer, preventing the nut to slip through the wrench beak or it holds the nut. 30 further the metal retainer plate allows the nut to slide through, or grip it since the metal plate is equipped with a hardened ragged edge. The teeth of his edge will 'bite'