For frames with integrated seat mast, different offset heads for tuning cockpit setup. Seat rail clamps not included, use in conjunction with BTI# RC4190. SideBinder 1-bolt fore/aft and tilt adjustable . 3D forged alloy body and head with one-bolt pinch clampCompatible with 1-Bolt alloy clamp kits, sold separately. For round integrated seat masts. 70mm length x 25mm offset. Interchangeable clamps available for all different carbon rail sizes. Item Specifications: Length, 70mm, Setback, 25mm, Color, Black, Model Name, 1-Bolt MastTopper, Material, Aluminum, Diameter, 34.9mm,.
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