The Speedline Carbon Matrix Pro Stem is the first of it's kind.
A complete carbon fiber pro size BMX Race stem sporting a 31.8mm Clamping area
It’s designed to pair seamlessly with your Pro Carbon Handlebars & Pro BLK Carbon Race Forks
The carbon on carbon contact clamping area creates a more effective bond leading to less slippage while protecting your carbon components.
Available in 48mm / 54mm / 60mm
Still can’t decide on the right stem? Click here to read our blog about choosing the right stem!