Giro Tremor Youth Helmet - Matte Glacier / Blue drumbeat21-376 The GSC-1 is specially designed

The GSC-1 is specially designed to free your bicycle drivetrain from muck and grime

- Wicking technical stretch fabric

and effective

- Mounts securely to seatpost or seatstay with the rubber band (Diam

cassette work

Giro Tremor Youth Helmet - Matte Glacier / Blue drumbeat21-376 The GSC-1 is specially designedWhen every curb is a jump and every patch of dirt screams for a skid, the Tremor is there to keep smiles wide, even when temporary limits are found. Some of the best features from our adult line, like In Mold construction and our acclaimed Roc Loc Sport fit system, offer the versatility, comfort, and wide adjustability young riders need to ride confidently. And with plenty of fun color options to choose from, there's a perfect option to match the