All ACS mags are injection-molded with glass-filled nylon. Maximum tire inflation is 45psi. All models are black color only, and rear mags are threaded for 16T (or larger) freewheels.
Stellar mags use our patented alternate-cell technology for a high-tech look and sealed mech bearings. Rear mags are double threaded for 16T right and left drive freewheels.
- 20x1.75 tire recomended
- 45psi max