This Hop-Up Option is for use with the BB-01 chassis. The parts replace the plastic steering arms with aluminum components which increase rigidity for highly responsive steering.
- Aluminum Steering Arms Left & Right x1 each.
- Silver-anodized aluminum steering arms ensure linkage rigidity and linear steering response.
- Use in place of S2 and S3 parts in the standard kit (BBX).
- Use with Item 22091 (Aluminum Steering Bridge) is recommended.
- Compatible with the BB-01 chassis.
- Note: Ball bearings are sold separately. | 
