Boom Racing 1.9 Dual Stage Soft/Hard Foam Insert 4.75in 120mm BRTR29002SH

This is a pair of Boom Racing dual stage foams for 1.9" x 4.75" RC crawler tyres. They are two stage foams, outside is open cell and inside is closed memory cell.

Specifications

• Outer Firmness: Soft
• Inner Firmness: Hard

Size

• Open foam: 118.5mm x 46.5mm
• Closed foam: 85.5mm x 36.5mm

Includes

• 2pcs Dual Stage Foam Insert