SHIMANO Deore XT/XTR Upgrade Kit M8100/M9100 1x12-speed | Cassette 10, 427,50 €
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SRAM X01 Eagle 1x12-speed Upgrade Kit - Trigger Shifter - 10-50 t. Cassette - Lunar
SRAM NX Eagle 1x12 Upgrade Kit | Cyclelab
Ratio Technology brings 12-speed to riders with 10- or 11-speed shifters and derailleurs with new kit | road.cc
Ratio Tech SRAM 1x12 Road Upgrade Kit Review | Sram CX1 - YouTube
Ratio Technology 1x12 Wide Upgrade Kit, Forward Cable Exit – Tumbleweed Bicycle Co.
SHIMANO SLX Upgrade Kit M7100 1x12-speed / Newmen Gen2 Micro Spline F, 232,50 €
SRAM XX1 Eagle AXS 1x12-Speed Upgrade Kit 710845826108 | eBay
1x12 Wide Upgrade Kit - Rear Cable Exit - Ratio Technology
Ratio 1x12 Upgrade Kit Review - BIKEPACKING.com
1x12 Wide Upgrade Kit - Forward Cable Exit - Ratio Technology
SHIMANO Deore XT Upgrade Kit M8100 1x12-speed | Cassette 10-51 Teeth, 297,50 €
SHIMANO Deore XT Upgrade Kit M8100 1x12-speed / Newmen Gen2 Micro Spl, 327,50 €
