Boom Racing 1.55 Dual Stage Soft/Medium Foam Insert 4.19in 106mm BRTR25503SM

This is a pair of Boom Racing dual stage foams for 1.55" x 4.19" RC crawler tyres. They are two stage foams, outside is open cell and inside is closed memory cell.

Specifications

• Outer Firmness: Soft
• Inner Firmness: Medium

Size

• Open foam: 103.0mm x 35mm
• Closed foam: 71.0mm x 29mm

Includes

• 2pcs Dual Stage Foam Insert