Parts/Suspension & steering/Sway bars/Losi Promoto MX/SM Lean Bar Spring Set (2.3, 2.5, 2.7mm)
Losi Promoto MX/SM Lean Bar Spring Set (2.3, 2.5, 2.7mm)
Losi

Losi Promoto MX/SM Lean Bar Spring Set (2.3, 2.5, 2.7mm)

Part # LOS-2287
Where to buy
$13.99
AMain Hobbies
Seen Oct 12, 2026
$13.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Spring Set Overview:

Upgrade your Losi® Promoto®-SM with these high-quality steel Lean Bar Springs for improved performance. Designed for durability and compatibility, they also fit the Losi Promoto-SM seamlessly.

About Losi


Losi

Since 1980, the Losi® brand has been dedicated to R/C racing. Initially, standard R/C cars weren’t built for racing or durability, so Losi started selling upgrade parts to withstand off-road tracks, fueling the sport’s popularity. Until the early 2000s, the brand remained focused on competitive R/C cars, understanding the thrill of speed, precision, and dedication required to succeed in racing.

Features:

  • Multiple thicknesses of lean bar for tunability in turns
  • Designed for both the Promoto SM and MX platforms
  • High-quality steel construction
  • Provides a seamless fit for hassle-free installation

Includes:

  • (2) 2.7mm Lean Bars
  • (2) 2.5mm Lean Bars
  • (2) 2.3mm Lean Bars
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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