Dolvitrny Aluminum 5-Hole Folding Clamp Knob for Brompton, M8 Bike Stem Screw Handle, Knurled Hand Tighten Bolt, Lightweight Cycling Replacement Part(

Details

• 5-Hole Hollow Lightweight Design: Features five precision-cut hollow holes that weight to just 24.6g while maintaining strength and stability for daily folding bike use.
• Knurled Grip : Textured knurling on the outer rim delivers confident bare-hand control-tighten or loosen folding joints quickly and securely without tools.
• general M8x49mm Thread: Standard M8 thread fits most folding bikes including models; install at frame fold points or stem hinges (2 knobs required per bike).
• FIRST-RATE CNC-Machined Aluminum: Made from aerospace-grade aluminum alloy with tight-tolerance CNC machining for consistent performance and long-term rust resistance.
• Stylish Color Variety: Choose from Black, Red, Gold, Silver, or Titanium to match your bike's aesthetic-measure your current knob or the SIZE CHART BEFORE ORDERING.