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used to ride a single chainring on the road...it used to come off quite regularly when cross-chaining.
Technically, you can't cross-chain on a single ring. Cross-chaining by definition means the chain centreline crosses the centreline between the outermost and innermost chainrings, a mathematical impossibility in the case of a single chainring.
gbj_tester
Same. Currently have a NW with 10-speed 105 and 9-speed X0 and neither throw their chains. I used to ride a single chainring on the road BITD with 5-6 speed and it used to come off quite regularly when cross-chaining.