Anyone know anything about disc brakes?

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ough
Advice on speccing mechanical brakes for my tandem, please. Contenders are BB7 Mountain and Spykes.
- BB7 cons: single pad travel makes it harder to get rid of disc rub, old plastic body could melt
- BB7 pros: super easy to adjust cable tightness (pad travel), new metal body doesn't melt
- Spyke cons: adjustment screw comes lose, risking brake fade or kaputt
- Spyke pros: dual pad travel, more modern (and theoretically evolved) concept
I don't know how braking power compares between the two. From what I read around, it's compatible. The Spykes seem to be a better option (more recent, more expensive, dual pivot), but the adjustment screw issue makes it tough to trust.

Am I worrying for nothing? Alternatively, could I install an inline barrel on the cable itself, and use that to adjust pad travel? I could then loctite the shit out of the adjustment screw and never touch it again.

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Howard in reply to @ough

Alternatively, could I install an inline barrel on the cable itself, and use that to adjust pad travel?

Don't do this. Unless it's a cyclocross racing tandem used in sandy conditions.

@BareNecessities has MTB experience of the Spykes

Tandem: got a third drum brake on it?

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