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  • RockShox - RS-1 ACS Solo Air 100 Fork - 27.5in - 2017 - Gloss Black/Red
RockShox - RS-1 ACS Solo Air 100 Fork - 27.5in - 2017

RockShox RS-1 ACS Solo Air 100 Fork - 27.5in - 2017

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$746.00 $1,865.00

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    • Gloss Black/Red,1.5T, 15mm Predictive Steering
      sale $746.00
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    Tech Specs

    Travel:
    100 mm
    Stanchion Material:
    aluminum
    Lower Material:
    carbon fiber
    Crown Material:
    carbon fiber
    Wheel Size:
    27.5 in
    Stanchion Diameter:
    32 mm
    Spring Type:
    Solo Air
    Damper:
    Accelerator
    Adjustability:
    XLoc, Beginning Stroke rebound
    Lockout:
    yes
    Axle:
    15 mm Maxle Ultimate
    Max Rotor Size:
    200 mm
    Brake Compatibility:
    disc
    Compatible Components:
    Predictive Steering hub
    Claimed Weight:
    1646 g
    Manufacturer Warranty:
    2 years

    The secret sauce.

    At first glance, it looks like somebody at RockShox wasn’t paying attention when they put the RS-1 ACS Solo Air 100 Fork together. The legs slide down over the stanchions, the axle is weird, and the dropouts are, well, weirder. It all seems like a mistake, until you realize that this design keeps the oil suspended above the bushings for better lubrication and smoother compression, boosts the stiffness, and makes the RS-1 ACS one of the best XC forks on the market.

    How, exactly? Well, the steerer tube, crown, and legs are all carbon, so stiffness is a given. The stanchions are coated with Fast Black for buttery smoothness, and the axle is basically a two-part job for insane stiffness—there’s a traditional 15mm axle, and a 27mm Torque Tube axle that locks the thru-axle, fork, and wheel into a super-stiff single piece, so you can rail corners with no flex to speak of. There’s a ton of adjustability built into the fork, too, and it comes with an XLoc remote that lets you lock things out without having to slow down. Of course, you need a special wheel and hub to make it all work. RockShox calls this system “Predictive Steering”, and DT Swiss is the only other company to make compatible wheels.

    • Rockshox inverts the classic for this speedy XC fork
    • Oil suspends over bushings for better lubrication
    • Carbon steer tube, legs, and crown are lightweight carbon
    • Super wide 27mm Torque Tube elevates stiffness
    • XLoc remote allows you to adjust fork without slowing down
    • Compatible only with Predictive Steering wheels

    Smooth Like Butter

    • Familiarity: I've put it through the wringer

    If you can't decide between a sid or rs-1, then choose an rs-1. This fork is great. With the fork inverted it keeps the stanchions proper lubricated. The fork feels great and is smooth. Only downside is that your wheel needs a predictive steering hub. It does however stiffen up the front of your bike and improve handling.