2 ALTA 650B x 47C Gravel Bike Tires – SemiSlick All-Terrain Tread,

Ride with speed, comfort, and confidence using this ALTA 650B x 47C gravel tire, designed for mixed-terrain cycling. The semi-slick AL-3016 tread delivers smooth rolling on pavement while providing dependable grip on dirt, gravel paths, and urban surfaces. Its versatile 47C width offers enhanced stability and comfort, making it ideal for gravel bikes, adventure bikes, touring setups, and modern 650B commuter builds.

• Tire Size: 650B x 47C
• ISO Diameter: 584 (650B bead seat diameter)
• Width: 47C (Approx. 47mm wide for stability on varied terrain)
• PSI Rating: 30–60 PSI (Low pressure for comfort / higher pressure for speed)
• Tread Pattern: AL-3016 Semi-Slick All-Terrain
 – Smooth center ridge for fast rolling
 – Micro-knurled texture for added grip
 – Side grip blocks for stability on corners and mixed surfaces
• Bead Type: Wire Bead (Durable, reliable, secure fit on rim)
• Style: Standard Gravel / Adventure / Touring
• Side Wall: Black/Black
• Color: All Black
• Material: High-quality, puncture-resistant rubber compound
• Brand: ALTA
• ISO / ETRTO: 47-584

• Semi-Slick Center for Speed
The smooth center tread allows fast and efficient rolling on pavement, making it ideal for urban commuting and road sections.

• Micro-Knurled Traction Zones
The lightly textured surface increases stability and grip on wet pavement, hard-packed dirt, and fine gravel.

• Wide 47C Comfort Profile
Provides excellent shock absorption, increased surface contact, and improved handling on rough or uneven terrain.

• Versatile 30–60 PSI Range
Run lower PSI for off-road comfort, or higher PSI for faster performance on paved roads.

• Durable Wire Bead Construction
Ensures long-term strength and a dependable hold on the rim, even under varying pressures.

• All-Terrain Compatibility
Perfect for gravel bikes, 650B touring bikes, adventure builds, and 27.5" city/commuter bikes.

• ISO 584 Fitment
Compatible with all modern 650B / 27.5" rims using the 584 bead seat diameter.