This 2021 Trek Madone SLR SRAM Force E-tap is a high-quality racing bike with 700C wheels and an aerobar handlebar type. Made of carbon fiber, this bike is lightweight and durable, with disc brakes and an automatic gear box for smooth shifting. The bike has 12 speeds and a frame size of 52 cm.The multicolor design of this Trek Madone is eye-catching and stylish. Perfect for avid cyclists and racing enthusiasts, this bike is sure to provide a thrilling ride. Buy now and experience the speed and agility of the Trek Madone! SRAM Force eTap AXS, 12-speed SRAM Force E Tap. This chainset is light, strong, and stiff, and has excellent power transfer for maximum performance. A 48/35 chainset combined with a 10-28 cassette gives you a huge range of gearing. Never used, new install of Wheels Manufacturing bottom bracket $145.00 part. Professionally built and tested by Trek in Golden, CO. I took my Shimano Ultegra off this bike and put the newer SRAM E-tap on this bike. Only because I am used to using my Shimano. This bicycle is in beautiful condition and has been lovingly treasured. There are very minor blemishes on the frame. It has never been dropped or had any injury. The bars, size 420/110mm, are wrapped with new Bontrager tape and have only had the Trek mechanics hands on them. Please be sure you know your size before you purchase. There will be no refunds. Trek Golden said they are happy to take your call to verify the bike is in excellent condition. Paul is the mechanic who worked on it. I'm only selling because I found out that I require a size 50cm frame. My loss (huge), your gain. Some of the pictures were taken when I still had the Ultegra groupset on it. See pictures with the SRAM E-TAP, THAT IS THE GROUPSET ON THE BIKE NOW. The wheelset is Bontrager Aelous with rim tape and valves for tubeless set up. Rear wheel will not true to 100% due to having a flat over railroad crossing, but there is no visible damage and has not been a problem for me while riding. Saddle is Fizik saddle. The wheelset comes with center lock SRAM disc. The frame has one short season of riding. I am a low power producer, amateur, rider so this frame has tons more life left.