【Complete kit for stem installation】Contains 4x 10mm + 1x 5mm spacers, stem cover, expander cone, and bolt - everything you need to build ahead-of-the-head handlebars.
【Corrosion-Free Aluminum Precision】CNC-machined 6061-T6 aluminum parts with an anodized surface - rust-proof in rain and sweat.
【Perfect 28.6mm Compatibility】Optimized for standard 28.6mm (1-1/8") fork steerers – suitable for 99% of MTB/road bikes with Ahead systems.
【Visual Tuning & Function】Rainbow-colored anodized coating (scratch-resistant and UV-stable) + precise grooves to prevent twisting – a technical upgrade with style.
【Lightweight Optimization】Total weight of only 38g – reduces unsprung mass for better suspension. Dimensions: Spacer rings Ø31.8mm x H5/10mm.