Review on 🚲 DECKAS Narrow Wide Chainring Single Chainring for 8/9/10/11-Speed (104BCD) - 40T, 42T, 44T, 46T, 48T, 50T, 52T (Round) by Jake Meyer

My e-bike came with a 10-speed rear cassette and a 36t steel chainring. I accelerated quickly in all 10 gears and needed more high revs. I switched to a 38 tooth Deckas aluminum rear sprocket. Light weight is great, but I still didn't have enough gears and needed more elevation. Eventually I switched to a 42t Deckas chainring and now have good top end and am not at the limit in 10th gear. 11t rear cassette with 42t sprocket Shimano E5000 stepper motor with SPEED BOX chip installed. no 20 km/h limit. 30km/h plus.