BOX Box Two Freewheel 18t MFPN=3159 is happy to accept this

is happy to accept this challenge

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

} Single-ring drivetrain simplifies functionality and reduces weight X-SYNC wide-tooth

High quality long service life cast CrMo steel construction chain tool for single and multi-speed chains up to 13 speed including Campangnolo hollow pin chains

BOX Box Two Freewheel 18t MFPN=3159 is happy to accept thisBox 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