Forms a lubricating film that prevents metal-to-metal contact and reduces operating temperatures

Note that while the material itself is waterproof and will shed off rain

Medium beam: 4hrs

Thin wall construction allows use without removal of cones and locknuts

Brake Rotor Attachment: Centrelock

661 Comp Helmet - M - Black PLP|Colour Forms a lubricating film thatThe 661 Comp full face helmet offers great entry level performance without the big price tag of other helmets available. With a light polycarbonate shell and excellent ventilation, this helmet will keep you protected and comfortable. If you are new to the sport or occasionally hit the bike park, you won't be disappointed. We have used this helmet in the past and found it to be extremely comfortable. Who's this item for: Anyone looking for a great