They’re no really doing much no. Just extra protection. I’ve taken the sleeves off of Hollowtech 2 MTB bottom brackets to fit in 68mm frames and had no issues.
If your frame has a cutout underneath the BB shell as part of the design (I’ve seen that on some retro steel frames) then I’d run one, but that’s it.
They’re no really doing much no. Just extra protection. I’ve taken the sleeves off of Hollowtech 2 MTB bottom brackets to fit in 68mm frames and had no issues.
If your frame has a cutout underneath the BB shell as part of the design (I’ve seen that on some retro steel frames) then I’d run one, but that’s it.