The engine using Act>evo will be fine on TTS and you should be able to mix them ok – but I would always suggest it is best to run the system as low as you can before filling up with the different product as good practice.

Please contact your local store to discuss bulk options.

Yes it does

Please re-submit your question with details of your motorcycle (make, model, year, engine size) so we can answer your question fully or contact your local Halfords store.