Review on 🚴 Complete Valve Core Kit: Aracey 36-Piece Presta Valve Cores, Remover, Adaptors, and Caps for Schrader Valve Bikes by Justin Goff

As other reviews have noted, the coring tool is plastic - use the Park Tools aluminum tool instead. The valves themselves are adequate, but not very good. The core bodies (silver part) are well finished, with no burrs or thread defects, they screw in easily and fit snugly into the main valve body (attached to the rim). However, the inner brass rods are too soft and can bend with the slightest lateral force. The rubber pads at the top of the disc (drip plugs at the bottom of the inner shaft) are also too soft and tend to "taper" and wear down until you end up with metal-to-metal contact and a very slow one have air leakage through the valve . Between flexing and wear, I estimate I replace them about every six months (per wheel) of normal riding and service. It's not really a problem when they're so cheap, but I'm sure there are better brands out there. It's a shame because with a slightly higher quality stem and seal material, they can be amazing.