Upgrade your Shimano hydraulic brake levers with these high - quality bleed port screws and O - rings. Ideal for both replacement and repair, they ensure smooth and reliable braking performance.
To use these bleed port screws and O - rings, first, remove the old parts from your Shimano Dura - Ace ST - R9120 or Ultegra ST - R8020 hydraulic brake lever. Then, carefully install the new ones. Make sure they are properly seated to prevent any leaks. When handling these parts, avoid getting dirt or debris on them. For maintenance, check the O - rings regularly for wear and tear. If you notice any damage, replace them promptly to keep your brakes working at their best.
