Jagwire inline shifting cable adjuster including Ø 4 x 50mm end caps. The adjusters allow a precise and easy adjustment of the tension. You have to mount the adjusters between hose and shifting lever. So it's possible to adjust the shifting during your ride. Mini Inline: availale in titanium (aluminium), white and black (aluminium core with gummi sheating); finest adjustment of shifting cables
Not recommended for usage on braking cables!
Fact Sheet of Jagwire Mini Inline Cable Adjuster (2 pcs)