2019 Timbersled ARO™ 120


ARO™ 120



The ultimate do-everything snow bike

The Timbersled® ARO™ 120 turns riders into explorers. With its high-flotation 120" track and sharp-handling Traverse Ski, the ARO™ 120 is at home in the powder, on a steep sidehill, and cornering on hard-pack. It's the ultimate do-everything snow bike system.

  • Aggressive looks come standard: The ST 120 RAW features an aluminum side panel design that saves weight and adds strength and styling.
  • Precision handling: The ST 120 RAW provides crisp handling on any terrain by using our proven non-pivoting front suspension arm.
  • The ultimate on-trail and deep powder traction: The Timbersled Convex 2.5 track comes standard on the ST 120 RAW; providing unrivaled trail and mountain performance.
  • RMK® Technology Comes Standard: The ST 120 RAW is infused with RMK® technology- including the new I-beam rails and bump stops.
  • RydeFX® Shocks: The ST 120 RAW utilizes custom valved RydeFX® coil over shocks to provide a great ride in all terrain.
  • Traverse Ski: Designed with an aggressive tri-keel shape and all new skags for better grip and precise handling. This new ski allows for better lean angles on hard pack and more control in deep snow.
  • ARO Spindle: Universal design for all bike brands. Direct bolt-on design - no drilling required.
  • What's included: ST 120 RAW Track System, Traverse Ski, Spindle, EK X-Ring Chain, 5' Brake Line. Sold Separately: Install Kit (Suspension Strut or Fixed Strut)
Engine & Drivetrain
  • Chain Case Chain: EK520 SRX2 54 Link (continuous)
  • Chain Slider: Standard
  • Disc Brake Type: Wilwood Duel Opposed Piston
  • Drive Chain: EK520 SRX2 70 Link (master link)
  • Drive Shaft Sprocket: 17 tooth - splined
  • Lower Chain Case Sprocket: 17 tooth - splined
  • Upper Chain Case Sprocket: 17 tooth - splined
  • Front Track Shock: RydeFX®
  • Rear Suspension: Non-Pivoting Long Arm
  • Rear Track Shock: RydeFX®
  • Rear Travel - Fixed Fit Kit (in./cm): 12.0 (30.5)
  • Rear Travel - TSS Fit Kit (in./cm): 20.0 (50.8)
  • Skag Type: Traverse Hardened
  • Ski Type: Traverse
  • Track Width/Length/Height (in.): 12.5 x 120 x 2.5 Convex
  • Estimated Dry Weight - Front (lbs/kg): 16.0 / (7.25)
  • Estimated Dry Weight - Rear (lbs/kg): 120.0 / (54.5)
  • Overall Length (in./cm.): 63.0 (160.0)
Additional Features
  • Color / Graphics: RAW Black and White
  • Fuel Storage Strap: Accessory
  • Storage Mat: Accessory
  • Storage System: Accessory
  • Install Kit Options: Suspension Strut and Fixed Strut
Timbersled systems fit a wide range of modern motocross and off-road dirt bikes from the early 90’s to today. Because the Timbersled system is universal, it requires an Installation kit (or fit kit) that is motorcycle specific. The installation kit consists of all the motorcycle specific mounting pieces. See your dealer for details.



Front Suspension
Rear Suspension
Non-Pivoting Long Arm; Rear Track Shock: RydeFX®
Rear Travel
Fixed Fit Kit: 12.0 in. (30.5 cm); TSS Fit Kit: 20.0 in. (50.8 cm)
Ski Type
Track Type
Track Dimensions
12.5 x 120 x 2.5 in.


Dry Weight
Front: 16.0 lb. (7.25 kg); Rear: 120.0 lb. (54.5 kg)
RAW Black and White

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