Will you defiantly need the extra links? You're unlikely to be using the front big ring and the rear 28t at the same time.
But if he tries to do so even inadvertently, he'll rip the dérailleur off if the chain is too short. So in spite of your defiance, he definitely need the right chain length.
@gbj_tester started
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But if he tries to do so even inadvertently, he'll rip the dérailleur off if the chain is too short. So in spite of your defiance, he definitely need the right chain length.