Pneumatic Tube, Thorn Resistant, 90 Degree Valve Stem, 8 x 1-3/4″Call for Price SKU: 690-010-077 Categories: Mobility, Wheelchair Parts, Tires & Tubes Tags: Parts for Wheelchairs, Wheelchair parts, Wheelchair tires Description DescriptionPneumatic Tube, Thorn Resistant, 90 Degree Valve Stem, 8 x 1-3/4″Related productsWheel Lock Extensions Call for PriceView productsWheelchair Arm assemblies, Invacare 2000 & 9000, left hand, desk length Call for PriceRead moreRear Anti-Tippers with Wheels. Sold in Pairs. Fits Invacare. Call for PriceRead more