Your next buying step
Giro Dime Mips SE
Model: Dime Mips SE Helmet, US style 100000001400000386 · US configuration
Your choices from the finder

Review the product, then choose a seller
Compare offers for this model
For this 49 cm child-bicycle assessment scenario, the separate Dime Mips SE style 386 page charts XS at 47–51 cm; 49 cm is inside that interval. Giro describes Integrated Mips, eight vents and a CPSC statement for people age five and older. The SE label is not evidence of an unverified performance upgrade or personal fit.
Search this model on Amazon ↗Compare the exact model, package, seller, current price and return terms. Search results can include other versions.
As an Amazon Associate I earn from qualifying purchases. This is an affiliate link.
Assessment scenario: Assessment scenario: child bicycle use at 49 cm with Dime Mips SE evidence
Assessment scenario only, not an assertion of your intent: a child riding a bicycle with a measured 49 cm circumference. Giro charts this separate Dime Mips SE edition XS at 47–51 cm; review the exact edition and try it on rather than inferring a size or fit verdict.
Explore this buying guide ↗Why consider this model?
- The observed US model is Dime Mips SE style 100000001400000386; the captured Matte Trench Blue / XS route uses SKU GR-7203262.
- Its exact chart lists XS 47–51 cm and S 51–55 cm; the 49 cm scenario maps only to the XS interval in this fact record.
- Giro lists eight vents, Integrated Mips, EPS liner and sweat-absorbent pads, and states CPSC compliance for persons age five and older. The SE page separately lists its material composition.
Tradeoffs to weigh
- The overlap at 51 cm and the chart interval do not choose a size at 49 cm or guarantee fit; use the actual helmet and Giro fit instructions.
- The exact page does not establish that the SE finish/material naming creates a safer or higher-performing product than another Dime; no such comparison is claimed.
- No independent fit, comfort, ventilation, or impact testing was performed for this assessment; CPSC wording is not a crash-outcome promise.
Check these before ordering
- Check for style 100000001400000386, XS, and the exact offered color/size; do not treat a different Dime Mips finish as this model.
- Verify the physical helmet label and exact size; the page-level CPSC statement is for people age five and older.
- Try the specific shell on, check strap and retention adjustment, read seller condition and return terms, and verify current recall information.