Stop the cycle.
The high performance of Shimano's lightweight Dura Ace 9170 hydraulic brake calipers is thanks in no small part to their SM-RT900 Disc Brake Rotor design that has an aluminum core that lowers temperatures by up to 30°C compared to the previous RT99 design. With the jump in cooling efficiency at the rotor, Shimano has been able to decrease the weight of the entire system while upholding stellar heat management.
Centerlock mount. Available in multiple diameters.
Ordered by Most Relevant First
1 of 1 customers found this review helpful.
Great fit. Came with lock rings. Lifht and good looking for discs.
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