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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
This includes mechanical and Di2
cyclists seeking superior performance can enjoy reduced friction and increased longevity
No adapters
In our never-ending pursuit of going faster with less energy
XT MR-M8100
Trek BB90 for Shimano cranks BOTTOM BRACKETS This includes mechanical and Di2This bearing set is ready to plug a Shimano crank in a Trek BB90 road frame. BB90 was used on Trek's carbon road frames pre 2021. For current carbon road and gravel frames, look at T47 Internal. For aluminum frames and mountain bikes, have a look at the BB86 BB92 collection. Choose road bearings for road bikes, cross bearings for cyclocross or if you frequently ride your road bike on wet roads.
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