The CST C979D 700 × 40C is a versatile and reliable tire designed for city, hybrid, and trekking bicycles with 700C (28‑inch) wheels. It combines comfort, durability, and efficient rolling performance, making it an excellent choice for daily commuting, urban riding, and recreational cycling.

Key Features:

• Size: 700 × 40C — a wide and comfortable profile suited for mixed‑surface riding.
• ETRTO: 42‑622 — standard bead seat diameter and tire width for secure fitment on compatible rims.
• Tire Type: Clincher (designed to be used with an inner tube).
• Tread Pattern: Semi‑slick center tread with lightly textured shoulders, offering low rolling resistance on pavement and reliable grip on varied surfaces.
• Performance: Smooth and stable ride with predictable handling, enhanced comfort, and confident traction in everyday riding conditions.
• Recommended Use: Ideal for urban streets, paved bike paths, light gravel, and general all‑around cycling.