Downtube Shifter Boss Cover Tires and Tubes The Problem Solvers Center Lock

The Problem Solvers Center Lock Adapter allows riders to use 6-bolt rotors on Shimano Center Lock compatible hubs

Our Clamp-on Cable Guides secure full housing on frames that don’t have cable stops

Our adapters fit into common thru-axle sizes so you can true them up just like a wheel with a standard hub axle

and looking good while doing it

the Holy Driver sets spoke nipples to the same depth

Downtube Shifter Boss Cover Tires and Tubes The Problem Solvers Center LockThese boys cover up the downtube shifter bosses on your singlespeed fixie conversions, protecting the bosses from grit and grime, and looking good while doing it.