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Spank Split Stem 31.8 Highly weight optimized single crown stem, ideal for Enduro applications with 31.8mm handlebars Human Factor Design features micro increment size options, tuned to fit any rider size and style Human Factor cockpit setup index facilitates tuning of upsweep and backsweep Ultra-short stack height and true zero degree rise Chamfered barclamp to reduce stress risers and increase fatigue life in handlebars Forged 2-piece faceplate design reduces overall weight without compromising barclamp security or stiffness Shotpeen-anodized surface increases strength, durability, and fatigue life KEY TECHNOLOGIESHuman Factor Design, MGR Alloy, Chamfered bar clamp, Custom Top-Cap includedMATERIAL6-Series Alloy, 3D forged CNC optimized body, 2D forged faceplateLENGTH (mm)33 / 38/ 43 / 48RISE (°)0DIAMETER (mm)31,8STACK HEIGHT (mm)34WEIGHT (g)±133 (33mm) / ±138 (38mm) ±140 (43mm) ±143 (48mm)FINISHShotpeen anodized