The SRAM Maven Post Bracket 20 P 1 is for use with 160mm and 180mm rotors only, (140 to 160 or 160 to 180), includes stainless bracket mounting bolts.COMPATIBLE WITHDB-CODE-BRZ-C1, DB-CODE-R-B1, DB-CODE-RSC-A1, DB-CODE-SLV-C1, DB-CODE-ULT-C1, DB-DB1-A1, DB-DB3-A1, DB-DB5-A1, DB-DB8-A1, DB-G2-R-A1, DB-G2-R-A2, DB-G2-RS-A1, DB-G2-RS-A2, DB-G2-RSC-A1, DB-G2-RSC-A2, DB-G2-ULT-A1, DB-G2-ULT-A2, DB-GDE-R-A1, DB-GDE-R-B1, DB-GDE-RS-A1, DB-GDE-RS-B1, DB-GDE-RSC-A1, DB-GDE-RSC-B1, DB-GDE-T-A1, DB-GDE-ULT-A1, DB-LVL-A1, DB-LVL-BRZ2-C1, DB-LVL-BRZ4-C1, DB-LVL-SLV2-C1, DB-LVL-SLV4-C1, DB-LVL-T-A1, DB-LVL-TL-A1, DB-LVL-TLM-A1, DB-LVL-TLM-B1, DB-LVL-ULT-A1, DB-LVL-ULT-B1, DB-LVL-ULT2-C1, DB-LVL-ULT4-C1, DB-MTHW-A1, DB-MVN-BRZ-A1, DB-MVN-SLV-A1, DB-MVN-ULT-A1, DB-VIA-GT-A1, DB-X0-B1, DB-XX-A2, ED-RED-D1, SB-APX-HRD-A1, SB-FRC-HRD-A1, SB-RED-EHRD-A1, SB-RED-HRD-B2