Facebook Twitter LinkedIn Pinterest Bluesky Threads I’d like to ID my Trek 5.2 and could use some help. This bike is older than 2008, and the sticker on the bottom bracket is in this format: U 000 T 000 C Is this letter/number combo the serial number? Any help is appreciated. by RON8O Bicycle Bicycling Bike Biking Cycling Trek Bicycles Trek Bikes
skidsareforkids on May 16, 2026 3:39 am It’s a 2008. I have the 5.2 Pro still and it’s a fantastic bike! https://www.bikeradar.com/reviews/bikes/road-bikes/pro-test-trek-madone-5-2-review
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It’s a 2008. I have the 5.2 Pro still and it’s a fantastic bike!
https://www.bikeradar.com/reviews/bikes/road-bikes/pro-test-trek-madone-5-2-review
Google image search brings up either 2008 or 2009.