Losi Lean Bar Spring Set, 2.3, 2.5 and 2.7mm, ProMoto MX/SM

Enhance the performance of your Losi Promoto-SM with these high quality steel Lean Bar Springs. It will also fit the Losi Promoto-MX (LOS-2310, LOS-2272, LOS06002, LOS06000T1, LOS06000T2).