The DMR Chain Tugs are designed to keep a 14mm hub axle in place within a 14mm horizontal dropout frame. This particular option comes with an adaptor for 10mm dropout frames. The DMR Chain Tugs are adjustable forwards and backwards within the dropout to keep the tugs perfectly square and to keep the wheel tracking straight and chain tight in single speed applications.
 
Easy adjustability. 10mm Adaptor included.
 
For 14mm Dropouts.
Adaptor included for 10mm Dropouts.
CNC Machined Aluminium.
10mm Adjuster Nut.