This bike is built to withstand even the most demanding terrain.
2
Making great demands in terms of quality, quantity, accuracy or other criteria; difficult to satisfy.
Near-synonyms: see Thesaurus:fastidious
Our wines will satisfy even the most demanding of connoisseurs.
1 more example
When you love someone, it's natural, not demanding / And that's one thing I'm proud to say I found in you / I'm so glad we reached an understanding / Now I know my heart is safe with you, ooh1982, Shalamar, “A Night to Remember”, in Friends:
She had had enough whimperings and demandings this morning to last her a week, and her face hardened as a tear rolled down Sarah's cheek.2012, Janet Haslam, Rachel's Daughter: