Light as carbon. Strong as hell. The super compliant 7050-T6 aluminum alloy Race X Lite bike stem is light enough for the road but strong enough for the mountain. It features a flip-flop 17 degree rise and 31.8 clamp that help it excel in lightweight versatility for a variety of hand positions. Product details 7050-T6, 3D, forged alloy construction 4-bolt face plate helps distribute clamping load on ultra-lightweight handlebars Angled steerer tube clamp spreads clamping pressure on steerer and is carbon friendly Dual clamp bolts are strategically positioned to evenly distribute clamping forces Designed for aggressive road and mountain use This stem requires at least 5mm of spacers above and below the steerer tube clamp area Go green and save green – Zero packaging means zero waste and zero extra cost