DF 109, damper low 4. Good pacing and good pulling. 21spm average, with a couple of 2k splits at 22. 2k splits were 8:17.5, 8:13.9, 8:12.0, 8:15.6 and 8:16.9. 2:03.8 average, with range of 2:03.0 to 2:04.3.