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36°/45° ACB (blue seal)
Its wider gear pitch increases clearance with small gearings on modern 135mm O
35 done right
It’s important to check your frame and fork for the default post mount size before ordering a suitable adapter
these cassettes will stand up to whatever you can throw at them
BBB Adapt Rail deore 36°/45° ACB (blue seal)AdaptRail MTB + Road + Gravel BBC 120 Versatile mounting rail system for bottle cages and accessories Relocate bottle cages for easier accessibility and use your frame space efficiently Mount AdaptRail accessories like StrapPlate or DualMount Size S gives you the option to position your bottle cage up or down Size M and L allow to mount a bottle cage combined with a StrapPlate Size L allows mounting two bottle cages below each other