Bike GPT is a sophisticated tool built on top of ChatGPT, designed for cyclists seeking guidance on bike-related matters. It lends a potential helping hand to those who need assistance with bike repairs, looking to upgrade their bike components, or craving tailored advice about cycling. The expertise of Bike GPT is not limited to repair guidance alone but extends to optimising performance by offering advice on maximising wattage output, providing informed suggestions on cycling equipment such as choosing a suitable groupset. It also has the capability to provide localized information, such as popular cycling locations in user's vicinity. Conversational prompts to facilitate interaction with this tool can range from specifics like 'How do I fix a flat tire?' to broader queries like 'Where does everyone cycle around here?'. Bike GPT interacts in an engaging manner narratively, greeting users with a friendly 'Bonjour! Ready to cycle? Ask me anything about bikes... ', making the user's experience personalized and efficient. Please note that using Bike GPT requires ChatGPT Plus.