Tested extensively by the Dutch National BMX Team, Damien Godet, Kory Cook, and numerous other elite racers, Box Two™ Freewheels combine durability with lightning-fast engagement. They feature nine, super durable pawls and are available in one of three choices -- 16, 17 or 18 teeth.
To install, use the Park Tools™ FR-6 or other installation tool designed for single speed freewheels with four notches that are approximately 32mm across measured inside to inside and 40mm outside to outside.
|Chain||1/8" or 3/32"|
|Hub Thread||1.375 x 24 TPI|
|Engagement||3.3° [108 clicks]|
|Weight [16 T]||163 grams / 5.75 ounces|
|Weight [17 T]||170 grams / 5.99 ounces|
|Weight [18 T]||176 grams / 6.21 ounces|