This mountain bike brake booster can help to improve your brakingperformance. This mountain bike brake booster is for use with bikeswith both V-Brake and cantilever braking systems. This mountainbike brake booster mountain bike brake booster connects the outerends of the two cantilever bosses, holding them in position andgreatly reducing their tendency to flex under load<br><br>Features:<br>For bikes w/ v-brake and cantilever brake system<br>Stiffen seat stay or fork boss improving brake performance<br>Gives a crisp feel to your rear V or cantilever brakes byreinforcing your rear triangle<br>Mounting hardware and standoffs are included<br>Dimension: Approx. 5.2 x 4.5 inch / 13.2 x 11.4cm<br>Screw Thread Diameter: Approx. 6mm<br>Screw Length: Approx. 40mm<br>Material: Anodized aluminium<br>Color: Blue, Red ,White<br><br>