2013 Hope V4 Brake Caliper
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That's 4 pistons, baby! Hope upgraded from their previous V2 two piston design. More pad surface area, better heat management, and better pad life were among their goals with the new design. Oh and get this, the V4 is lighter than the old V2.
2013 Mountain Bike Components at Eurobike 2012 0 of 86 « Previous Next »