CST Roly Poly C1936 Fat Tire - Foldable - 26 x 4.8 - 60TPI

The CST Roly Poly C1936 is engineered as a true fat bike tire built to expand capability across deep snow, soft terrain, and loose off-road conditions. Designed to be CST’s first dedicated fat tire platform, it balances aggressive traction with efficient rolling behavior, making it well suited for riders who want stability without sacrificing momentum. Its wide footprint enhances float and control, while the tread pattern is optimized to maintain predictable handling when surfaces become unpredictable.

Key Features

• Fat tire design built for deep snow and loose terrain performance
• Center tread pattern optimized for reduced rolling resistance
• Large, aggressive side knobs for confident cornering grip
• Wide contact patch improves flotation and stability
• Designed for predictable handling in variable off-road conditions
• Balanced tread layout supports both traction and efficiency

Highlights

• Delivers a planted, stable ride feel across soft and uneven ground
• Maintains forward speed more easily than traditional aggressive fat tires
• Enhances rider confidence when leaning into corners or loose berms
• Built to keep traction consistent across changing winter or trail surfaces
• Supports long-distance fat biking with efficient energy transfer

Technologies

• Optimized center knob architecture for smoother rolling efficiency under load
• Reinforced side knob structure designed to increase lateral grip in turns
• Fat tire casing profile engineered to maximize surface contact and flotation
• Foldable bead construction for easier installation and improved portability
• Tread spacing tuned to shed loose snow and debris effectively

Specifications

• Model: CST Roly Poly C1936
• Part Number: TB72666100
• SKU: 56-070-61
• Size: 26 x 4.8
• Color: Black
• Bead: Foldable
• TPI: 60
• Weight: 1420 g
• Max PSI: 35
• Intended Use: Fat bike, snow, loose terrain, off-road

Built for riders who push into demanding winter and off-road environments, the CST Roly Poly C1936 combines flotation, grip, and rolling efficiency in a purpose-built fat tire platform. Its wide stance and intelligent tread design deliver dependable control when conditions get soft, loose, or unpredictable, making it a strong choice for consistent performance across all-season fat biking terrain.