e-thirteen has officially unveiled its new Grappler mountain bike tire line, headlined by a refined Flux GR Radial casing that delivers the best grip and comfort in the brand’s history. This comprehensive lineup provides professional-level performance at affordable prices across E-MTB, Trail, All-Mountain, Enduro, and Downhill categories.
PETALUMA, Calif. – e-thirteen has officially unveiled its new Grappler mountain bike tire line, headlined by a refined Flux GR Radial casing that delivers the best grip and comfort in the brand’s history. This comprehensive lineup provides professional-level performance at affordable prices across E-MTB, Trail, All-Mountain, Enduro, and Downhill categories.
The Radial Advantage: Grip Without Compromise
By developing a true radial construction and adding special features, e-thirteen has achieved several key breakthroughs in MTB tire performance.
So, what makes e-thirteen’s Radial tires one of the world’s best and grippiest MTB tires?
- 30% Larger Contact Patch: At equal air pressures, the radial casing provides a significantly increased footprint, improving traction, stability, and braking bite.
- Unmatched Comfort: It’s not just about grip. The radial construction adds a sense of “extra travel” to your bike, conforming to the terrain and absorbing micro-variations to reduce rider fatigue
- Dual Apex Stability: Unlike typical radial tires, e-thirteen’s version uses super-stiff Dual Apex Sidewall Inserts. This allows riders to run standard pressures without the excessive lateral flex common to radial competitors, and enhances rim protection. If you ride and live in a very rocky area, we still recommend increasing 15% to a little more for impact.
Engineered Rubber and Tread Tailored for Every Rider:
The Grappler MTB tire lineup utilizes two proprietary compounds and three purpose-built tread designs to eliminate guesswork:
- MoPo Compound: An extra-soft 42a durometer rubber used throughout the entire knob (base and outside). This provides maximum grip and slows tire rebound, damping vibrations for a tacky, high-confidence feel.
- Momentum Compound: A dual-compound option (50a center/42a shoulders) built for longevity and speed. It delivers 85% of MoPo’s maximum cornering grip while improving wear life and rolling speed, making it ideal for E-MTB and rear-wheel use.
Three Tread Options:
- Grappler: The most aggressive, all-condition tire featuring a 2-3-2 tread design, with big center lugs for predictable traction through lean angles, and reduced knob flex.
- Grappler RS: A 27.5” rear-optimized 2-2-2 tread with tall, steep-ramped center knobs for improved braking and faster rolling speed.
- Grappler TR: The fastest and lightest choice, sharing the RS layout but with a lower-profile center tread, offers speed and efficiency, making it perfect for hardpack and high-speed terrain.
A Simplified, Affordable MTB Tire Range
e-thirteen has scrutinized every model to ensure the lineup is easy to stock and easy to choose. The range includes the heavy-duty Flux GR Radial with Dual Apex Inserts, the supportive Flux GR gravity casing with GR Apex Inserts, and the lightweight Flux AM trail casing. All models feature two-ply construction for ample puncture prevention and Armor Weave sidewall protection.
“Riders shouldn’t have to choose between performance and price. Getting the Grappler right meant a lot of iterations, a lot of back-to-back testing against the best tires on the market, and a lot of feedback from racers who don’t sugarcoat anything. The construction we landed on is the one that beat everything we put it up against — and we’re putting it in riders’ hands at a price that respects their wallets.” — Joel Peters, e-thirteen
“More grip than ever, more tire for your money.”
The Grappler line is priced to provide an elite performance-to-value ratio,
with MSRPs ranging from just $59.95 to $79.95.
Availability: Most models are available now!
Find out more at: https://www.ethirteen.com/pages/grappler-tires
Don’t just take our word for it. Mountain Bike Action gave the Grappler a perfect 5 out of 5 stars. BikeRadar awarded it 4.5 out of 5, praising its grip and cornering confidence. E-MTB riders take note: the Grappler was named one of the best E-MTB tires by BikePerfect and #1 for durability, with the robust casing and sticky MoPo compound handling the extra torque and weight that electric mountain bikes demand.
About e-thirteen:
e-thirteen is a rider-owned company dedicated to solving real-world problems for mountain bikers through authentic engineering and innovative design.
Media Contact
Organization: e*thirteen
Contact Person: Chris
Website: https://www.ethirteen.com
Email: Send Email
City: Petaluma
State: CA
Country:United States
Release id:44791
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