CST Big Fat Tire (BFT) - Wire - 20 x 4.0 - 60TPI

A purpose-built fat tire engineered for aggressive trail, freeride, and mixed-condition riding, the CST Big Fat Tire (BFT) in 20 x 4.0 delivers a confident blend of traction, stability, and durability. Designed to excel across loose, muddy, wet, and hardpack surfaces, it provides a wide footprint that enhances control and flotation on challenging terrain. With a rugged casing and reinforced construction, it is built to handle demanding riding environments where reliability and puncture resistance matter most.

Key Features

• 20 x 4.0 fat tire platform optimized for traction and flotation
• Designed for trail, enduro, and downhill-inspired riding
• Wide contact patch improves stability on soft and loose terrain
• High-volume casing for improved comfort and shock absorption
• Suitable for front or rear installation flexibility
• Engineered for predictable handling in wet and variable conditions

Highlights

• Exceptional grip across loose, mud, wet, and mixed terrain conditions
• Reinforced casing structure supports aggressive riding styles
• Balanced tread profile designed for control and cornering confidence
• Stable footprint enhances rider confidence at lower pressures
• Built for durability in demanding off-road environments

Technologies

• Exceptional Puncture Safety (EPS): Proprietary rubberized poly-fiber layer placed between tread and casing to resist penetration from sharp objects and reduce puncture risk
• Dual Compound Construction: Balances grip and durability, with folding bead models offering enhanced casing performance
• High-Volume Fat Tire Design: Maximizes floatation and terrain compliance for soft and unstable surfaces
• Reinforced Casing: Designed to improve structural integrity under impact and load stress

Specifications

• Model: CST Big Fat Tire (BFT)
• Part Number: TB35938000
• SKU | UPC: C1752 | 6933882523760
• Size: 20 x 4.0
• Bead: Wire
• Color: Black
• TPI: 60
• Maximum PSI: 65
• Category: Trail, Enduro, Downhill
• Recommended Use: Loose, Loose over Hard, Medium, Mud, Wet
• Recommended Installation: Front or Rear
• Construction: Rubber compound casing with EPS puncture protection layer and reinforced structure

Built for riders who demand predictable traction and rugged durability, the CST Big Fat Tire (BFT) 20x4.0 delivers dependable performance across technical and unpredictable terrain. Its reinforced construction and wide-volume design make it a strong choice for aggressive riding where stability, grip, and puncture resistance are essential.