POWERFUL EBIKE QS273 5T Upgrade Verdict - Better than 3.5t ??? [Part 2]
Conclusion of the complete walkthrough of changing out my QS273 3.5t motor for a 273 5t motor. What will be the results??? Watch till the end for full comparison details between the 2 motor windings, along with many other useful EBIKE tips. Bonus points if you can spot the Arnold Schwarzenegger impression! ********************************** Frame, motor, Sabvoton controller and wheels from Alibaba. Everything else was purchased through various online stores and built in my garage. Full Spec List: 1. QS273 V3 motor, 3.5T wind, NOW 5T 2. Sabvoton 72200 200amp controller – locked version 3. 49ah Panasonic battery with 150 amp max bms. (weighs 37lbs.) 4. 80/100-21 front tire & 18x1.85 rim in rear with Dunlop K990 tire. 5. Protaper Aluminum Handlebar, 3" Rise, 31.8mm Bar Clamp, 810mm Width. I cut 1.5” off either side. 6. Odi Rogue lock on grips. These things are AWESOME! 7. Shimano Zee 4 piston brakes on both front and back. Front rotor is a SRAM Centerline 220mm with a Hope adapter. Wired for e-brake. These brakes are a definite improvement over Tektros. 8. Two 210mm DNM RCP 2S 550lbs shocks. 9. DNM USD8 front forks. 10. Shimano MX 16 Tooth Single Speed Freewheel. 11. Fender is off a Razor MX650 and cut down to size. Had to get creative in mounting this as there is no mounting holes on the DNM fork. A bit of a ghetto mount but it works. 12. SCOSCHE MAGTFM2 MagicMount XL Universal Flush Mount Holder for Mobile Devices. 13. CAB Motorworks Saddleman seat made in USA. LOVE this seat. SO much better than the Chinese version. 14. Nkomax automatic Smart Bike Tail Light Ultra Bright 15. OneUp Components Composite Pedals. Your feet stick to these like glue. 16. Izumi Chain JET BLACK Easy Running 1/8" BMX 17. FFSA Gravity Light Direct Mount Stem 31.8mm 5D 45mm, with a Direct Mount Stem Stack Billet Spacer 12mm from SOUL 18. RaceFace Narrow Wide 1x Chain Retaining Chainring 5-Bolt 110mm BCD 40t Black with Promax SQ-1 155mm crank arms. 19. 180lbs. 20. Grin Cycle Satiator 72 volt e-bike SMART battery charger.

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