Shimano R203S/P Disc Brake Adaptor for 203mm Rotor 51mm Caliper 74mm Frame MFPN=8030819434743 8mm Stem Material Aluminum Steerer

8mm Stem Material Aluminum Steerer Tube 1-1/8 Stem Length 31mm Face Plate Bolts 4 Primary Color Orange Stack Height 38 Stem Weight 195g Stem Angle 0°

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The second generation of TRI-Backup Elite saddle rail guides supports a wider range of saddle angles

Model Link Speed 11 Compatibility Connex and Most Other 11sp Chains Use Reusable Color Black Package Each

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Shimano R203S/P Disc Brake Adaptor for 203mm Rotor 51mm Caliper 74mm Frame MFPN=8030819434743 8mm Stem Material Aluminum SteererShimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork. Brake Caliper Type IS Mount Rotor Size 180 Post 203 Rotor