45NRTH Wolvhammer Boot Liner - Orange Size 45 Model=Vesper Rear Hub The SmartHead® DX3 with lower

The SmartHead® DX3 with lower profile air release button automatically adjusts to fit either Presta or Schrader valves and makes getting the right pressure a simple task

The high-top design seals out dust debris and mud while the reinforced upper stands up to long adventurous days

Updates include updated body with improved buttons and retained battery cover

} 5% faster than Previous SmarTUBE

45NRTH Wolvhammer Boot Liner - Orange Size 45 Model=Vesper Rear Hub The SmartHead® DX3 with lowerMoisture management is one of the most important elements of winter cycling and can make or break a ride. On long rides in extreme conditions having a spare pair of 45NRTH's Wolvhammer boot liners means you can ride confidently knowing that you have a dry fresh pair when you need it. For use with 45NRTH Wolvhammer boots (sold separately)