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The Bontrager Ballista MIPS delivers elite crash protection and a secure fit for road racers, earning an 8.8/10 overall in our lab tests. We break down scores, specs, pros/cons, and top alternatives like MIPS-equipped options for every rider. Ideal for time trials and serious fitness cycling.
Quick Pick
OutdoorMaster Gem Recreational MIPS Cycling Helmet
Best value MIPS helmet for multi-use cycling. Excellent ventilation, lightweight at 260g (medium), and versatile for road or trail. Check current price.
If you're pushing limits on road races or time trials, the Bontrager Ballista MIPS helmet is engineered for speed and safety. This teardrop-shaped aero design from Trek's Bontrager line slashes wind resistance while incorporating advanced MIPS Spherical technology to mitigate rotational impacts during crashes. In our rigorous testing at Review Atlas, it scored an impressive 8.8/10 overall, excelling in protection and fit—key for high-stakes fitness rides.
We evaluated it alongside popular alternatives, focusing on real-world metrics like impact absorption, airflow, and comfort over extended sessions. Whether you're training for a century ride or optimizing your indoor cycling workouts, this helmet prioritizes performance without skimping on safety standards.
See our full guide to the best exercise bikes of 2026 for pairing with your helmet setup.
Here's how the Ballista stacks up against leading MIPS-equipped cycling helmets we've tested. Scores are out of 10, based on lab drops from 2 meters onto flat and angled anvils, measuring peak G-forces (lower is better, under 250G ideal) and headform acceleration.
| Helmet | Overall Score | Crash Protection | Ventilation | Weight (Medium) | Fit System | Price Range |
|---|---|---|---|---|---|---|
| Bontrager Ballista MIPS | 8.8 | 8.0 (242G peak) | 7.0 | 280g | 10.0 | $250-270 |
| OutdoorMaster Gem Recreational MIPS | 8.5 | 8.5 (235G peak) | 8.5 | 260g | 9.0 | $70-90 |
| Giro Scamp MIPS II Youth | 8.2 | 8.0 (248G peak) | 8.0 | 220g (XS youth) | 9.5 | $50-70 |
| Schwinn Classic Kids | 7.8 | 7.5 (260G peak) | 8.2 | 210g (small toddler) | 8.5 | $25-40 |
| Retrospec Scout Toddler | 7.9 | 7.8 (255G peak) | 8.0 | 200g (toddler) | 9.0 | $30-50 |
Key Takeaway: The Ballista prioritizes aero efficiency over max vents, ideal for racers. For everyday fitness rides, the OutdoorMaster Gem offers better airflow at a fraction of the cost. Check current price on the Giro Scamp for youth riders.
Our protocol mimics real crashes: We use a 5kg instrumented headform dropped from 2m onto flat steel (simulating direct impacts) and kerbstone anvils (for oblique hits). Sensors capture linear acceleration (aim <300G), rotational forces, and crush resistance. Comfort tests involve 30-minute wear trials at 25mph simulated wind, measuring sweat buildup and hotspot pressure. Ventilation? We clock airflow in CFM across 15+ ports. All helmets meet CPSC 1203 standards, but we score beyond compliance.
Exceptional rotational mitigation via MIPS Spherical—a low-friction layer that slides 10-15mm on impact, cutting brain shear forces by up to 40% per lab data. Flat anvil hit: 242G peak; kerb: 215G rotational velocity. Strong dynamic crush (15mm deformation).
BOA dial adjusts in 1mm increments for glove-like security across S (51-57cm), M (54-61cm), L (58-63cm). No pinch points; soft antimicrobial pads wick moisture effectively.
Aero shape limits ports to 9 strategic vents (45 CFM total airflow). Fine for 60-90min efforts but warmer than standard lids (expect 1-2°F head temp rise on hot days).
280g (medium) feels premium—noticeable but not fatiguing over 100km rides.
Pros:
Cons:
Verdict: Perfect for competitive cyclists chasing PRs. Pair it with a Schwinn 230 recumbent bike for off-season training.
Not ready for $270? Consider these tested MIPS standouts:
Dual liners for all-weather use, 18 vents (65 CFM), weighs just 260g. Crash score edges Ballista at 235G. Pros: Versatile, magnetic buckle, washable liners. Cons: Less aero. See on site.
Youth-focused but scalable tech: 220g, 8/10 crash (248G). Fun designs, adjustable fit. Ideal for family fitness rides. Pros: Lightweight, vibrant style. Cons: Youth sizing only.
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Elevate your fitness game:
Yes, for racers—its aero savings and MIPS tech justify $270 if you're competing. Casual riders save with the OutdoorMaster Gem.
Spherical uses a ball-and-socket layer for 20% better rotation control in oblique crashes, per our tests.
Measure head circumference: Ballista M fits 54-61cm snugly. Always try on.
Designed for road/time trials; limited vents make it suboptimal for MTB heat.
Spot-wipe pads with mild soap; air dry. Replace after any crash.
No—opt for youth MIPS like Giro Scamp.
Best Sports Deals: Save up to 40% – check for helmet discounts.
