RT-MT900 Size:140mm It features a 5mm wider

It features a 5mm wider profile than the previous PN3

ULTEGRA 6700 Series

for coaches providing instruction and also for some tournament play when a softer ball is required

Temple arm scoops to manage moisture

Safely eliminates drive chain contaminants

RT-MT900 Size:140mm It features a 5mm widerThe pinnacle in mountain bike braking, SHIMANO XTR RT MT900 disc brake rotors deliver superb stopping power for the most aggressive riding. The ICE TECHNOLOGIES FREEZA rotors dissipate heat to maintain braking performance on long downhill stretches. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.