The final day of discounts on the trackcycling 2017 calendar? Calendars & Posters Shop by Guy Swarbrick - 19th December 201627th December 2016 0421 We had Black Friday, Cyber Monday and even, apparently, Cyber Tuesday. All that nonsense is over. And Christmas. Now we have New Year discounts! Enter 2017CAL at checkout for a 25% discount until the 28th of December.