Koswork Rear 61mm 1.1/8.5T Yellow RC Shock Spring AE (2) - KOS04851-8.5T

The Koswork KOS04851-8.5T rear shock spring is a 61mm replacement spring rated at 8.5T and 2.3 lb/in, designed for use with 12mm and 13mm rear shock absorbers on 1/10 scale buggies compatible with Associated Electrics platforms. Sold as a pair in yellow, these springs are a direct drop-in for builders looking to replace worn rear springs or dial in their suspension setup with a known spring rate.

Key Features

• Spring rate: 2.3 lb/in (8.5T) — a medium-soft rate suited to rear suspension tuning on 1/10 scale buggies
• Length: 61mm with an inner diameter of 16.4mm, compatible with 12mm and 13mm shock bodies
• Yellow colour coding makes spring rate identification quick and easy when swapping between setups
• Sold as a pair (2 springs), providing a matched set for balanced rear suspension performance
• Compatible with Associated Electrics shock assemblies, making them a practical stock replacement or tuning option

What's Included

• 2 x Koswork KOS04851-8.5T rear shock springs (yellow, 61mm, 8.5T, 2.3 lb/in)

What You Need

• Compatible 12mm or 13mm rear shock absorber assemblies for fitment
• Associated Electrics 1/10 scale buggy or compatible vehicle to install these springs