Bert
12/19/2025 (Fri) 17:32
No.56615
del
>>56614>Typical LT1 (the first lactate threshold / upper end of Zone 2) is usually around 55–75% of FTP. Most coaches place LT1 near the top of Zone 2, commonly ~60–70% FTP — individual variation matters (fitness, testing, fraudulence, method).