Specialized Hillbilly Grid Gravity T9 TLR Enduro Tire 27.5 29 Tubeless

Specialized Hillbilly Grid Gravity T9 TLR Tire

Gravity, Enduro & Downhill MTB Tire | GRIPTON T9 | GRID Gravity | Tubeless Ready

The Specialized Hillbilly Grid Gravity T9 TLR is engineered for riders who demand maximum traction and durability in the steepest, loosest, and wettest trail conditions. Designed for enduro racing, bike park laps, and downhill riding, the Hillbilly combines an aggressive tread pattern with Specialized's ultra-grippy GRIPTON T9 compound and the bombproof GRID Gravity dual-ply casing to deliver exceptional control when the terrain gets unpredictable.

Whether you're charging through deep loam, navigating slick roots, or smashing rock gardens, the Hillbilly inspires confidence with uncompromising grip and stability.

Built for Gravity Riding

Designed specifically for:

• Enduro racing
• Downhill riding
• Bike park laps
• Steep technical descents
• Loose and muddy terrain
• Wet roots and rock slabs

The Hillbilly excels where maximum traction is the priority.

Aggressive Gravity Tread

The redesigned tread pattern features:

• Deep spike center knobs that dig into loose terrain
• Large block-in-block shoulder knobs for supported cornering
• Reinforced transition knobs for improved stability
• Reduced rolling resistance compared to traditional gravity tread designs

Together, they provide predictable grip through every stage of the turn.

GRIPTON T9 Compound

Specialized's Sticky Fast GRIPTON T9 compound delivers:

• Exceptional traction on wet and dry surfaces
• Maximum braking control
• High damping characteristics
• Reduced vibration and tire deflection
• Improved stability through rough terrain

The soft compound conforms to rocks, roots, and loose soil for unmatched confidence.

GRID Gravity Dual-Ply Casing

The GRID Gravity casing is Specialized's toughest gravity construction.

Features include:

• Dual-ply casing construction
• Exceptional puncture protection
• Outstanding sidewall support
• Increased tire stability under heavy cornering loads
• Built for aggressive riding and high-impact terrain

Ideal for:

✔ Enduro
✔ Bike Park
✔ Downhill

Tubeless Ready (TLR)

• Tubeless Ready clincher construction
• Compatible with modern tubeless systems
• Lower operating pressures for increased traction
• Reduced pinch-flat risk
• Can also be used with inner tubes

Ideal Riding Conditions

Optimized for:

• Loose soil
• Mud
• Deep loam
• Wet roots
• Slick rock
• Technical descents
• Natural mountain terrain

Specifications

• Brand: Specialized
• Model: Hillbilly Grid Gravity T9 TLR
• Use: Enduro, Downhill, Bike Park
• Terrain: Loose, Wet & Technical
• Compound: GRIPTON T9
• Casing: GRID Gravity Dual-Ply
• Construction: Tubeless Ready (TLR)
• Recommended Pressure: 25–50 PSI

Available Sizes

27.5 x 2.4

• Approximate Weight: 1240g
• MPN: 00125-9070

29 x 2.4

• Approximate Weight: 1340g
• MPN: 00125-9071

Key Features

✔ Aggressive gravity tread pattern
✔ Large block-in-block shoulder knobs
✔ Deep spike center knobs for loose terrain
✔ Sticky Fast GRIPTON T9 rubber compound
✔ GRID Gravity dual-ply casing
✔ Exceptional puncture protection and sidewall stability
✔ Tubeless Ready construction

Why Choose the Specialized Hillbilly Grid Gravity?

• Purpose-built for enduro and downhill riding
• Outstanding traction in wet, loose, and technical terrain
• Durable dual-ply casing resists punctures and sidewall damage
• Soft T9 compound maximizes grip and control
• Tubeless Ready for lower pressures and enhanced ride quality
• Genuine Specialized performance trusted by gravity riders worldwide

The Specialized Hillbilly Grid Gravity T9 TLR is built for riders who refuse to compromise on traction or durability. Combining an aggressive gravity-specific tread, ultra-grippy GRIPTON T9 compound, and the rugged GRID Gravity casing, it delivers the confidence needed to attack the most demanding trails with speed and control.