MIPS’ newest rotational influence safety expertise, Integra Cut up, is quickly(ish) to be accessible on an open-face helmet for the very first time. That helmet is the Fox Speedframe RS, a brand new top-of-the-range variation on the model’s best-selling mountain bike helmet.
Fox Speedframe RS with MIPS Integra Cut up
It’s not the primary time we’ve seen Fox implement MIPS Integra Cut up. Certainly, it truly debuted on the DH-certified Fox Proframe RS final Fall. Nonetheless, the Fox Speedframe RS would be the very first half shell helmet to learn from the expertise. And, Fox could have unique use of it for not less than one yr submit launch.
So, what’s MIPS Integra Cut up?
It is extremely much like MIPS Spherical, in that it’s basically a two-layer system whereby two distinct layers of EPS are separated by the MIPS liner that connects the 2 through small elastomers that MIPS consult with as “woofers”, owing to them having a form much like that of a sub-woofer. The woofers permit for 10-15mm of free motion between the 2 layers, motion that’s important to managing rotational forces skilled by a rider throughout an influence.
Additionally, the 2 EPS layers are of differing densities; the inside layer is designed to handle power concerned in low velocity impacts, whereas the highest layer that’s in-molded into the helmet’s outer shell consists of a better density EPS that’s designed to soak up power concerned in larger velocity impacts. Clearly, that could be a very simplistic means of describing it, because it all works in live performance, however that’s the primary gist.
How MIPS Integra Cut up differs to MIPS Spherical could be very easy; the inside layer of EPS is definitely cut up into two intercalating plates that may transfer independently to 1 one other. This may be clearly seen on the mannequin we noticed at Eurobike a pair weeks again.
The motion between the 2 inside halves is kind of refined, however we’re advised that it permits helmet producers to form the liner across the headform to supply a greater, extra constant match, with a extra constant quantity of EPS foam between the cranium and the outer shell.
After all, there’s much more to the Fox Speedframe RS than its MIPS Integra Cut up.
Different updates embrace use of a BOA Match System on the cradle, a brand new easy-adjust visor that has a single, centrally-positioned anchor level to keep away from unintentional crooked positioning, in addition to the addition of sunglasses-stowage beneath the visor. A grippy runner will probably be positioned the place the arms slide in so as to add a little bit of friction for a safe maintain.
The helmet is completed off with Fidlock’s magnetic closure for the chin strap, with an Ionic+ consolation liner that has been handled to impeded microbe progress, and thus the manufacturing of sweat-associated faust.
Pricing & Availability
The Fox Speedframe RS isn’t attributable to hit shops till April 2024, and pricing continues to be TBC.
