Craftsman 20V MAX 11/16 in. Cordless Keyless Jig Saw 20 volt 2500 spm U and T Shank - Case Of: 1 - Walmart.com
Stroke Rate Explained
My sprint output and SPM steadily decline over the 40 second interval (from 1:13 to 1:21 and 62 spm to 55 spm). Is the DF too high or does my endurance just plain suck? : r/Rowing