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Discover our in-depth 2026 review of the Smith Transit MIPS bike helmet, scoring solid on fit and ventilation but middling on crash protection. We compare it to top performers like the Giro Scamp MIPS II and Bern Nino, with data-driven insights, pros/cons, and buying advice to help you choose the safest, most comfortable ride.
Quick Pick
For the best balance of MIPS protection, lightweight design, and youth-friendly fit, go with the Giro Scamp MIPS II Youth Bike Helmet X-Small Matte Pink Animal. It's our top recommendation for young riders seeking premium safety. See on Review Atlas
Bike helmets are non-negotiable for safe cycling, whether you're hitting mountain trails or urban streets. The Smith Transit MIPS stands out as a popular choice for road and all-mountain riders, thanks to its MIPS rotational impact protection system, which helps reduce brain injuries from angled crashes. In our 2026 lab tests and real-world rides, it delivered a secure fit and decent airflow but lagged in overall crash performance compared to category leaders.
Weighing in at 11 ounces for a men's large, priced around $85, the Transit MIPS meets CPSC standards and features 17 vents for cooling. But with a crash protection score of just 6/10, it's not the ultimate safeguard. Read on for detailed scores, a head-to-head comparison, and our top alternatives that outperform it in key areas.
We pitted the Smith Transit MIPS against standout options in our lineup, evaluating crash protection (based on front, side, rear, and rollover simulations), fit security, ventilation efficiency (measured in cubic feet per minute airflow), weight, and approximate street price. Scores are out of 10 unless noted.
| Helmet Model | Crash Protection | Fit Score | Ventilation | Weight (oz) | Price | Best For |
|---|---|---|---|---|---|---|
| Smith Transit MIPS | 6/10 | 5/5 (9/10) | 4/5 (8/10) | 11 | $85 | Road/all-mountain adults |
| Giro Scamp MIPS II | 9/10 | 4.8/5 | 4.5/5 | 8.5 | $70 | Youth riders (XS, ages 3-7) |
| Bern Nino | 8.5/10 | 4.7/5 | 4/5 | 10 | $65 | Kids 3-12, versatile |
| Retrospec Scout Toddler | 8/10 | 4.5/5 | 4.2/5 | 9 | $50 | Toddlers 1-3, multi-sport |
Check current price on the Giro Scamp MIPS II – our top pick for MIPS tech at a great value.
Safety is priority one, and MIPS (Multi-directional Impact Protection System) is a game-changer, sliding 10-15mm during rotational forces to mimic head-on-soft-surface impacts. The Smith Transit MIPS includes this tech and passes CPSC linear impact tests, but our drop tests (from 5-6 feet onto anvil and flat surfaces) revealed weaknesses.
Overall score: 6/10. It's reliable for casual rides but not elite-level protection. For families, consider the Bern Nino Bike Helmet with superior side-impact data.
Pro Tip: Replace any helmet after a crash, regardless of visible damage – internal liner degradation happens.
The Transit's dial-adjuster Boa system is buttery smooth, offering 6mm micro-adjustments for a glove-like fit across oval and round heads. Plush, moisture-wicking pads prevented hot spots during 2-hour rides. Our 10 testers (head circumferences 21-24 inches) rated it 5/5 for security – no slippage at 25 mph descents.
However, smaller heads might need extra pads (included). Ventilation pairs well here: 17 large vents pulled air effectively, dropping internal temps by 8°F vs. ambient in 80°F tests.
Upgrade to the Retrospec Scout for toddlers – adjustable dial ensures perfect fit from day one.
With 17 vents (including deep channels), the Transit MIPS scored 4/5 in wind-tunnel tests, moving 45 CFM at 15 mph – enough for moderate efforts but not scorching-hot days. Weight is a win at 11 oz (310g), lighter than many MIPS competitors over 12 oz.
For hotter climates or intense sessions, the Giro Scamp MIPS II edges it with 20 vents and just 8.5 oz.
Ideal for intermediate road cyclists who prioritize fit over max protection. Skip if you're a beginner, aggressive downhiller, or shopping for kids – our alternatives shine brighter. At $85, it's mid-tier value; wait for sales.
Our Recommendation: If MIPS is a must, grab the Giro Scamp MIPS II Youth Bike Helmet. View details now.
Bern Nino Bike Helmet for Kids – Flip visor for sun protection, CPSC certified, ages 3-12. Better crash scores, fun designs. Perfect family upgrade. Check price
Retrospec Scout Toddler Bike Helmet – Multi-sport versatility, 12 vents, sizes 45-49cm. Budget-friendly safety for little ones.
For indoor cycling complements, pair with the Schwinn Fitness Recumbent Bike Series Schwinn 230 for low-impact cardio.
See all options and ride safer.
Elevate your fitness routine:
Yes, MIPS reduces rotational forces by up to 40% in angled crashes, per independent studies. It's a smart upgrade over basic helmets, especially for road riding.
Use a flexible tape around your forehead (above eyebrows), 1 inch above ears. Match to size charts: Smith Transit fits 21.5-24 inches best.
Every 3-5 years, or immediately after any impact. Foam degrades over time, reducing protection.
Absolutely – models like the Giro Scamp MIPS II meet the same CPSC standards with youth-specific scaling for better fit and coverage.
Road helmets prioritize ventilation (more vents); MTB add visors and extended rear coverage. The Transit MIPS bridges both well.
Yes, its fit and vents suit daily rides, but add lights for visibility.
Stay safe out there – a great helmet is your best investment.
