BOX Box Two Freewheel 18t MFPN=3159 Hex Drive 102T technology delivers

Hex Drive 102T technology delivers 3

Including a replaceable plastic non drive side hub guard and laced 3 cross to the wider 38mm Truss rim this wheel is ready for action without any extra consideration

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

Reflective details

or Tiagra 4700

BOX Box Two Freewheel 18t MFPN=3159 Hex Drive 102T technology deliversBox 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