SRAM S900 Direct Mount Rear Rim Brake Caliper Black Mount | Rotor Size-Rear IS | 180 Rotor }TRP-25 Disc Brake Rotor -

}TRP-25 Disc Brake Rotor - 160mm Center Lock 1

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Integrated 4-arm asymmetric spider maximizes stiffness-to-weight ratio

Cassette Cogs 11-12-13-14-15-17-19-22-25-28-32 Color Silver Cassette Body Type Shimano/SRAM 11 Speed Road Range 11-32 Drivetrain Speeds 11 Defined Color Silver Weight 310

SRAM S900 Direct Mount Rear Rim Brake Caliper Black Mount | Rotor Size-Rear IS | 180 Rotor }TRP-25 Disc Brake Rotor -SRAM S900 Direct Mount Rear Rim Brake Caliper Black. s SRAM's first direct mount road brake the S 900 does more than just complete SRAM's road brake product line. It has a design that delivers great power and feel. The design reduces what engineers call "splay force" sending energy into the brake instead of the frame and fork. This results in a more efficient transfer of energy from lever to rim making for solid modulation and a snappy return.