Park TM-1 Spoke Tension Meter PDP|Colour The Box Three Prime 9

The Box Three Prime 9 rear derailleur is Box's value prime 9 offering

and end caps

the perfect companion for your next trip to Tassie or New Zealand

Increased protection - Inspired from adult MTB helmets

With the simple flick of a lever get your vision back with a fresh film so that you can keep riding

Park TM-1 Spoke Tension Meter PDP|Colour The Box Three Prime 9Build strong and reliable wheels with Park's TM 1 Tension Meter. The TM 1 measures both, absolute spoke tension and relative tension between all the spokes. This easy to use tool will help you build strong wheels! Please note: A conversion table is included with each Tension meter.