Lazer G1 MIPS Road Bike Helmet Color:Black Includes TRANSIT FLEXFRAME-C transportation system

Includes TRANSIT FLEXFRAME-C transportation system which allows for versatile carrying

The SM-RT800 rotor (optional) offers even greater heat management capability than Shimano's industry-leading ICE TECH Freeza rotors

The lock ring is aluminum but the cogs are steel

but a 3/8" to 1/2" adapter is included so you can use it with 3/8" drive torque wrenches

- Disc brake rotor size: 140 mm

Lazer G1 MIPS Road Bike Helmet Color:Black Includes TRANSIT FLEXFRAME-C transportation systemTo Plot The Future, Lazer Tapped Into Its Past. Shaving both letters and grams, the G1 road helmet has been reborn from the ashes of its predecessor, the Genesis, as Lazer's lightest bike helmet ever. How did they do it? Start with the G1's hardshell construction, which is molded from rugged and durable EPS foam construction. Running through it are 22 internal channels that afford ample venting, which Lazer says is actually 8% more cooling efficienct