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*the change of pulley colors only apply to the lower pulley.
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P/N | Brand | Compatibility | Warranty | Optional |
RD6 WB20 (Di2) | SHIMANO |
Dura-Ace R91XX/R92XX
Ultegra R80XX/R81XX | 4 years | Ti-cast rainbow coating |
RD6b WB20 (Non-Di2) | SHIMANO |
Dura-Ace R9000/R9100
Ultegra R7900/R8000 | 4 years | Ti-cast rainbow coating |
RD7 WB20 (Di2/Non-Di2) | SHIMANO | 105 R70XX/R71XX | 4 years | Ti-cast rainbow coating |
RD9 WB20 | SRAM | RED/FORCE/RIVAL AXS | 4 years | Ti-cast rainbow coating |