Snowmobile Chassis
Suspension, Dialed.
Front IFS to rear skid — here's how Polaris' suspension systems ride, what makes each one different, and which sleds you'll find them on.
Front vs. Rear — the quick version
Front Suspension (IFS)
The independent A-arm setup up front controls steering, ski bite and cornering. Spring preload and clickers let you tune how the sled turns in and holds a line through the corners.
Rear Suspension (Skid)
The rail/skid under the track manages ride comfort, weight transfer and traction. Spring preload, clickers and limiter straps balance ski pressure against bump-eating comfort.
PRO-RIDE Front
The independent A-arm front end under Polaris' AXYS and Matryx trail and crossover sleds. Race-developed geometry with lightweight, high-strength components keeps the sled flat and predictable through corners and delivers sharp, confident steering.
RMK REACT Front
Polaris' mountain-specific front suspension. A narrower stance and purpose-built geometry make the sled roll on edge effortlessly — so it initiates, sidehills and holds a line in deep snow with minimal rider input.
PRO-XC Rear
The performance trail rear suspension on RUSH and Switchback. A coil-over, rising-rate design mounts the rear track shock externally under the seat — cutting unsprung weight for a lively, connected ride. External clickers and coil preload make trailside tuning quick.
PRO-CC Rear
A torsion-spring rear that converts between coupled and uncoupled behavior — blending big-bump capability with flat, predictable handling. On the INDY XCR, Long-Tail geometry shares load between the front and rear arms with a progressive rate for excellent bottoming resistance.
RMK REACT Rear
A lightweight mountain skid built for float and maneuverability. Rail geometry keeps the sled loose and playful so it climbs, carves and reacts to rider input. The 2027 RMK Factory Edition adds HD hillclimb-profile rails and Walker Evans Velocity shocks.
Utility Rear
The heavy-duty rear under Polaris utility and wide-track sleds. Longer rails and load-tuned calibration deliver comfort while towing, riding two-up or hauling gear all day — built to work and go the distance.
At a Glance
| System | Position | Ride Type | Best For | Found On |
|---|---|---|---|---|
| PRO-RIDE Front | Front · IFS | A-arm independent front (IFS) | Trail & crossover cornering and control | INDY, RUSH, Switchback, VR1 (AXYS / Matryx) |
| RMK REACT Front | Front · Mountain | Mountain independent front (RMK REACT) | Sidehilling, initiation & technical climbs | RMK, RMK Khaos, RMK Pro (Matryx Slash) |
| PRO-XC Rear | Rear · Performance | Coil-over rising-rate rear (uncoupled) | Aggressive trail & bump-eating comfort | RUSH, Switchback (PRO-XC) |
| PRO-CC Rear | Rear · Convertible | Torsion-spring convertible rear (coupled / uncoupled) | Race-inspired trail with coupling control | INDY XCR & select crossover trims |
| RMK REACT Rear | Rear · Mountain | Lightweight mountain rail (RMK REACT) | Big-mountain float, climbing & tree riding | RMK, RMK Khaos, RMK Pro / Factory Edition |
| Utility Rear | Rear · Utility | Long-rail utility rear | Towing, 2-up touring & utility | Voyageur, TITAN & wide-track trims |
Dialing in your shocks & springs
Looking up torsion spring, track spring or shock part numbers for your sled? Our full spec sheet has every listing, searchable by part number or model.
Not sure which setup fits your riding?
Compare sleds side by side, or talk to our team — we ride these all winter and we'll help you match the chassis to your terrain.