Adjustable for 28-34t rings

Upper assemblies do not come with a crown race included

000" in the ABEC5

Compatibility: Compatible with shells with 41mm inner diameter and 92 or 89

These are required if your frame or fork has an IS mount and to fit your caliper and/or adjust your rotor size

Oakley DRT5 MIPS Helmet - M - Bayberry Dangerous Goods Adjustable for 28-34t ringsWith some of the coolest, and most unique features available in a helmet, the DRT5 doesn't just protect heads, it turns them. Who's this for: Riders wanting a super technical and stylish helmet with some of the latest tech you can find in a helmet. Rotational liner: The DRT5 comes with MIPS. Straps: A large Y yoke design with a standard buckle. Retention system: Now this is where it starts to get interesting. The DRT5 doesn't use your typical plastic