BOX Box Two Freewheel 18t Stroke-38mm hanger # 609

hanger # 609

this completely tool free adjustment allows skiers to better match their individual needs

Butted 20mm crossbar

}SRAM X-Sync Chainring 42T 110mm Asymmetric BCD Black

Narrow overall shape offers clearance for long distance seated pedalling

BOX Box Two Freewheel 18t Stroke-38mm hanger # 609Box 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