Muc-Off Big Bore Hyrid Tubeless Valve Stems - Large 45mm Black MFPN=00.4315.032.642 Active Universal Jr: The Perfect

Active Universal Jr: The Perfect Ski for Young Cross-Country Beginners

Thick-Thin tooth design for maximum chain engagement

Non-CPS hardware used on 2012+ XX-series and 2013+ XO-series brake designs for reduced weight

ergonomic fit

Misc 10 OS

Muc-Off Big Bore Hyrid Tubeless Valve Stems - Large 45mm Black MFPN=00.4315.032.642 Active Universal Jr: The Perfect245% higher air flow than traditional presta valves thanks to the straight through bore deisgn Precision CNC machined from 7075 aircraft grade aluminium Stainless steel ball valve with seals and O rings 4 way tyre insert air flow base is compatible with most tubeless inserts 4mm machined hex key slot for easy installation removal Available in 25, 35, 45mm valve stems to suit different rim depths TECH SPECS Valve Length 75mm Valve Hybrid