SKU: 47986282439

Leatt - Gravity 4.0 V25 Helmet (MTB)

Sale price$174.91 Regular price$194.35
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

Leatt - Gravity 4.0 V25 Helmet (MTB)Leatt Gravity 4. 0 V25 Helmet (MTB) AWARD WINNING FULL FACE HEAD AND BRAIN PROTECTION WITH SUPERIOR VENTILATION This helmet is all about offering great protection at a fair price. Todays riders face a wide range of variable terrain and conditions. This ASTM DH certified helmet has you covered no matter whats ahead. Its a great option for everything from enduro to bikepark laps to e bike trail riding. The full face only design offers outstanding

Leatt - Gravity 4.0 V25 Helmet (MTB)

AWARD WINNING FULL-FACE HEAD AND BRAIN PROTECTION WITH SUPERIOR VENTILATION

This helmet is all about offering great protection at a fair price.

Today’s riders face a wide range of variable terrain and conditions. This ASTM DH-certified helmet has you covered no matter what’s ahead. It’s a great option for everything from enduro to bikepark laps to e-bike trail riding. 

The full-face-only design offers outstanding ventilation and boasts a clever, modular mouthpiece that’s removable to increase airflow. And the extra-convenient Fidlock® magnetic buckle is easy to operate even when your fingers are cramping with arm pump! 

It is important to use a helmet that reduces both rotation and linear impact energy to your head and brain. All Leatt helmets feature 360 ̊ Turbine Technology. This design utilizes a network of small discs constructed of a non-Newtonian, energy-absorbing material. Because these Turbines can move 360 ̊ (omnidirectional), this technology has two exclusive advantages: namely the reduction of rotational acceleration to the head and brain and the absorption of energy upon impact at concussion level.

Add it all up – you won’t find a better option at this price.

  • DH certified lightweight Polymer shell in two sizes
  • Maximized ventilation with 22 vents 
  • Removable mouthpiece ventilation cover
  • Fidlock magnetic closure system
  • 360° Turbine Technology
    • Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion
    • Reduces peak brain rotational acceleration by up to 40%
  • Dri-Lex® moisture wicking, breathable, anti-odor and washable inner liner
  • Optimal neck brace compatibility
  • Visor with breakaway function for rotational reduction in a crash
  • In-molded EPS + EPO impact foam for superior energy absorption
  • Weight: From 850g (1.87 lbs)
  • Certified and tested: AS/NZS 2063:2008, ASTM F1952–10, EN1078, CPSC 1203 
  • Sizing
    • #S (55-56cm – 21 5⁄8 - 22") 
    • #M (57-58cm – 22 ½ - 22 ¾") 
    • #L (59-60cm – 23 ¼ - 23 5⁄8") 
    • #XL (61-62cm – 24 – 24 ½") 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 47986282439

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4.4 ★★★★★
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Verified Purchase
Jim
Birmingham, US
★★★★★ 5
Fixed a Bead Sealing Issue
Size: 1-Gallon (128 oz)
For traction in snow, I recently installed new "agricultural" style lugged front tires on a Simplicity garden tractor from around 1980. The tractor looks like it's survived a war, evidently having had a hard life as a workhorse owned by a school district. The front rims are rusty, and I naively thought the beads of these thick tires would seal properly anyway. They didn't. The jug of sealant ships with a valve core removal tool. Removing and reinstalling the cores is a piece of cake if you've never done it. I pumped a generous amount of the product into each tire and then did a few fast laps in a grassy paddock. It's a Kohler 19HP twin and it's a bit of a rocket. 😎 One tire sealed, the other didn't, and there was still a faint hiss. I added more product to that side and repeated the process. It seemed to hold. The next day that side was flat again, so I added more sealant and this time it held. Based on this experience, I'd say that instead of strictly following what the instructions recommended as an amount per tire, keep adding product in increments until the tire holds air. It's good stuff and it works. Will the tire self-heal if I puncture it? I don't know yet. It saved me the headache of having to remount these small tires or install tubes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
S
Verified Purchase
shimshong
Massapequa, US
★★★★★ 5
Stop wasting your money on green slime or Fix-A-Flat or any of the other tire sealant
Size: 1-Gallon (128 oz)
Flat out is by far the best product on the market to fix flat tires and prevent flat tires. This will be the second gallon jug that I purchased that stuff on everything. all of my landscape equipment has it in every tire. And to paint and even better picture for you I have a scag mower that is 20 years old The tires are probably 18 years old ugly as could be and would not hold air until I put the flat out in it it has been sitting now for over a year and every tire still has air That's how good the stuff is. Don't just buy one gallon by two cuz it will get used
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 11, 2025
A
Verified Purchase
Amazon Customer
Bozeman, US
★★★★★ 5
John Deere 5x4 (gator)
Size: 4-Pack (128 oz), Size: 4-Pack (128 oz)
Excellent product. The John Deere 5x4 (Gator) in picture sat for ten years, the tires were flat, the front tire was the worse. To move this Gator from my neighbors place he had to load it on a trailer, he aired up the rear 4 tires but the front would air up and leak before he could move it. He put a make do wheel to get it moved to my place. shortly after unloading the rear 4 tires went flat. All were badly weathered. I read about a stop leak "FLATOUT" I ordered one bottle and put it in the front wheel and I aired it up, it held air for several hours. I called FLATOUT Support and told them I put 1/2 bottle in front tire and how it helped, He said it calls for a full bottle per tire so I added the rest of the FLATOUT. I bought four more bottles of FLATOUT and put those in all 4 tires, put air in and drove the unit a block. next day two tires were low so I finished putting FLATOUT in and aired the tires and drove two to three blocks. the weather snowed so I parked the Gator for two weeks, the tires never went flat. I checked the air pressure and had lost about 2-3 pounds, refilled with air and on a warm day drove the Gator about 2 miles. No flat tires. Note the front tire had a weathered crack 4 inches long where it sat folded for so many years and I saw where this product had sealed this leak and no air loss after two weeks of sitting.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2021
R
Verified Purchase
Rachel
Chelsea, US
★★★★★ 5
Great tool
Size: 14" Chrome
This tool worked great. Super strong and easy to use. Super happy with the quality for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 24, 2025
H
Verified Purchase
Houston Dynamo
Boise, US
★★★★★ 5
Perfect
Size: 14" Chrome
Great item
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026

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