Hmmm. My son just built himself a 1X10 hard tail mountain bike. He split a tire on a night ride last night so you know he's really mountain biking it. I wonder how he keeps his chain on the front ring. I'll let you know when he answers me back.
There's his answer: He uses an MRP chain keeper.
Last edited by Retro Grouch; 10-17-13 at 08:40 AM.