Comparing Apples to Oranges
- Lyndal Bailey

- Sep 2, 2025
- 1 min read
If I’ve got an Ai offset rear wheel on a 142x12 rear end, and I run a normal outboard press-fit 30 bottom bracket in a 79mm asymmetric shell with a Dub-Wide crankset and a 6mm offset chainring, will that give me a 52mm chainline, or do I need the normal MTB spindle?” Sounds like a foreign language when you stop and think about it, right? Read it again. Or, better yet, ask someone who’s not a cyclist to read it and describe how bizarre it sounds. Read the full article




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