Modifiers matching bicycle:

• manufactured,
• stationary,
• specialized,
• sturdy,

Simple categories matching sturdy:

• base,
• material,
• furniture,
• pot,
• stone,
• pan,
• stick,
• fabric,
• surface,
• compound,
• plant,
• shelter,
• object,
• cotton,
• enclosure,
• component,
• post,
• item,
• equipment,
• box,
• container,
• herb,
• product,
• furnishing,
• protection,
• stuff,
• tree,
• substrate,
• footwear,
• bag,
• cutter,
• structure,
• instrument,
• clothes,
• bench,
• book,
• clothing,
• toy,
• bicycle,
• card,
• paint,
• fixture,
• paper,
• board,
• pole,
• support,
• cloth,
• device,
• predator,
• shoes,
• prop,
• green,
• metal,
• brush,
• wood,