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.
- 1/8th or 3/32 Chain Compatible
- ED Black Protection
- 108 Points of Engagement
- 9 Pawls Engagement System
- Heat-Treated Chromoly