11-36: Single (for double chainring be sure to not exceed the derailleur's capacity)

high performance semi-metallic compound lasts longer than resin

lightweight head design uses CNC-machined AL-6061 internals with stainless steel threaded stud to prevent thread stripping

Ultegra BR-6800

Thread pitch: 1

LAZER Jackal Kineticore Helmet Size:- Large (58-61cm) 11-36: Single (for double chainringTackle technical mountain bike trails and test your riding limits knowing youre fully protected with the feature loaded Jackal KinetiCore helmet. Supreme ventilation, built in KinetiCore protection technology, and mountain bike friendly features such as brow vents and an accessory mount make this a trail riders dream lightweight lid. Features: Adult Mountain Bike Helmet: the Jackal KinetiCore is a lightweight helmet loaded with trail friendly features