The Instinct Powerplay SL Carbon 50 carries its motor low and its downtube slim, so the bike reads as a trail bike first and an E-bike second. The Dyname S4 Lite motor weighs 30 percent less than Rocky Mountain's previous Dyname system while still delivering 700 watts of peak power and 75 newton-meters of torque, so the weight savings don't come at the cost of climbing assist. The RIDE-4 chip lets us fine-tune head tube angle and bottom bracket height with one Allen key, so the geometry adapts to the terrain instead of locking us into a single setup. What Our Gearhead(R) Experts Are Saying:"I forgot I was riding an E-bike until a climb reminded me. The Shimano XT drivetrain shifts the same way it does on my acoustic bike, so nothing about the ride demands a new set of habits."