It Only Needs to Protect You Once, But That Once Could Be Everything
A helmet is the last line of defense between you and the ground. But many riders buy a helmet and never think about it again—until the day it has already lost its protective capability.
Helmet Lifespan
| Condition | Recommended Replacement Interval |
|---|---|
| Normal use | 3-5 years |
| After a crash/impact | Replace immediately |
| Visible shell damage | Replace immediately |
| EPS foam deformed or cracked | Replace immediately |
| Liner severely degraded | Replace (or replace the liner) |
Why replace it regularly? The core of a helmet is the EPS (Expanded Polystyrene) foam. UV rays, sweat, and time cause EPS to degrade, reducing its ability to absorb impact. After 3-5 years, a helmet may only retain 60-70% of its original protective capability.
Always Replace After a Crash
Even if it looks fine on the outside, replace it!
EPS foam is designed to be “single-use.” It compresses to absorb energy on the first impact, but it does not return to its original shape after compression. Internal micro-cracks that are invisible from the outside will significantly reduce protection in the event of a second impact.
Many brands offer discounted crash replacement programs—taking advantage of these is well worth it.
Daily Maintenance
| Item | Method | Frequency |
|---|---|---|
| Shell cleaning | Wipe with warm water + mild detergent | Monthly |
| Liner washing | Remove and hand wash, air dry naturally | Monthly or when sweating heavily |
| Strap buckle check | Confirm the buckle functions properly | Before every ride |
| Visor attachment | Confirm magnetic or slot attachment works | Monthly |
| Vent cleaning | Use a soft brush to clear dust and insects | Monthly |
What NOT to Do
| Prohibition | Reason |
|---|---|
| Leave in high-temperature places (car interior, direct sunlight) | EPS and shell will deform and degrade |
| Clean with organic solvents | They will dissolve EPS |
| Put stickers on the helmet | Sticker adhesive may corrode the shell |
| Modify or drill holes | Compromises structural integrity |
| Lend it to others | The liner has already molded to your head shape |
Helmet Types
| Type | Features | Best For |
|---|---|---|
| Road helmet | Lightweight, good ventilation | Road bikes, general riding |
| Aero helmet | Streamlined, less ventilation | Time trials, triathlon |
| Commuter helmet | Larger coverage, has LED lights | Commuting, city riding |
| MIPS | Multi-directional impact protection system | All types (recommended) |
Is MIPS Worth It?
Yes. MIPS (Multi-directional Impact Protection System) adds a sliding plastic layer inside the helmet that reduces rotational forces on the brain during angled impacts. Statistics show that most cycling crashes are not vertical impacts but angled ones—MIPS is designed precisely for this.
Adding MIPS typically costs only NT$300-1,000 more, but adds an extra layer of protection.
Helmet Regulations in Taiwan
Bicycle helmets are currently not mandatory in Taiwan (unlike motorcycles), but wearing one is strongly recommended. Especially for:
- High-speed road cycling
- Mountain descents
- City commuting (heavy traffic, higher risk)
- Group rides (chain-reaction crashes)
Price Reference
| Tier | Price | Brand Reference |
|---|---|---|
| Entry-level | NT$1,000-2,000 | OGK, GVR |
| Mid-range | NT$2,000-5,000 | Giro, Bell |
| High-end | NT$5,000-10,000 | POC, Specialized, Kask |
| Top-tier | NT$10,000+ | Abus, Met Trenta |
Your brain cannot be replaced with spare parts. A helmet is the most cost-effective insurance you can buy.
Related Reading
- Children’s Helmet Buying Guide: Complete Guide to Certification, Correct Sizing, and Replacement Timing
- Bicycle Helmet Buying Guide: Three Key Considerations—MIPS, Aero, and Ventilation
- Bicycle Helmet Sizing and Adjustment: Head Circumference Measurement, Adjustment Systems, and Helmet Certification Standards
- Comprehensive Bicycle Helmet Review: Balancing Aero, Ventilation, and Lightweight Design
摔車後補裝備: 好市多新款單車安全帽＆ Specialized Romin 北高整路屁股都不痛的坐墊 | 一千元居然有MIPS | CT Yeh | 公路車
4 年前
碟煞公路車 銑面器 !? 原來銑完差這麼多! 降低蹭碟機率! | TIME 公路車 保養小記錄 | CT Yeh
3 年前
詳測) 小米 電動打氣筒 公路車胎要充多久? 值得買嗎? 米家充氣寶 小心燙手!
7 年前
2025 自行車錶排行榜 兩萬車友大數據 / Garmin Bryton 排名會大洗牌嗎？ / 全新的碼表前身分析 /公路車 / CT Yeh
1 年前
洗單車神器 吹水機! 實際洗車用用看 暴力洗鍊條大法 | 公路車 | CT Yeh
4 年前
碟煞公路車 優缺點？換車一年半實際經驗分享 / 公路車 / CT Yeh
2 年前
用了AirTag 單車就不怕被偷？盲點大測試 結果… ｜公路車｜CT Yeh
5 年前
多到選擇障礙... 換個單車把帶想一個小時 / BTP / 編織＆軟木特有材質超吸睛！ / 公路車 / CT Yeh
1 年前