BOX Box Two Freewheel 18t MFPN=3159 Features an innovative blend of

Features an innovative blend of Merino wool and advanced technical fabrics to keep you warm but ventilated

Hex Drive 102T technology delivers 3

is happy to accept this challenge

or Tiagra 4700

Reflective details

BOX Box Two Freewheel 18t MFPN=3159 Features an innovative blend ofBox Two freewheels combine durability with lightning fast engagement Featuring nine super durable pawls and available in 16, 17 or 18 tooth To install, use tool designed for single speed freewheels with four notches that are approximately 32mm across measured inside to inside and 40mm outside to outside Fits 1. 375 x 24 TPI hub thread Fits 1 8" or 3 32" chain Model BOX Two Hub 1. 375"x24tpi Teeth 18 Chain 1 8" 3 32" Color Black