Not officially, jagwire make some aftermarket stuff but I've never seen what you're after. What's the threading on the magura ones? They're both mineral oil, maybe you can smush them together.
@snottyotter started
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Not officially, jagwire make some aftermarket stuff but I've never seen what you're after. What's the threading on the magura ones? They're both mineral oil, maybe you can smush them together.