With Ride-4, chainstay adjustments, and all the options in the Dyname 4.0 system, there are a ton of ways to adapt the Altitude Powerplay to your personal preferences. A helpful graph from Rocky Mountain Trail feel: Boost vs Power Levels It’s easy to set, and then toggle through the three bike setting profiles using just the remote, too, so you can leave your phone at home. That is, you can actually feel quite a difference between Boost levels 0 (neutral) and +2 (very supportive), and battery levels. Using the remote, you get simple but meaningful adjustments. Instead of an accompanying app, Rocky Mountain decided to make the Dyname system adjustable through the Jumbotron. Rocky’s also changed the layout from the 3.0 system, reducing mechanical drag and noise for the 4.0 version. Rocky says this is because the 4.0 system uses a lower motor rpm, reducing the electrical whine. The Dyname 4.0 is quieter than some systems (though not as quiet as Specialized’ belt drive motor), and has a different, more mechanical noise than the typical eMTB whine. It also gets the brand new “Jumbotron” display screen. The Altitude benefits from Rocky Mountain’s new Dyname 4.0 drive system. The long setting is supposed to help with stability at speed but, maybe because of the motor’s added weight, I haven’t felt squirrely or unstable enough to want to try change that yet. I’ve kept the chainstays in the short setting, which has definitely helped the Altitude get around corners. Having CushCore come installed has let me run lower tire pressures for better cornering and grip in the greasy conditions instead of running too-hard tires and worrying about destroying the rims. Maybe this is the effect of the new Mid-High Pivot suspension design, which is more progressive and has a more rearward axle path than before, but it seems to deal with small chatter and breaking bumps as well without sacrificing its ability to take the few larger impacts I’ve dared try so far. It changes direction quickly in corners and gets airborne (and lands again) with confidence and stability, and little change in technique compared to analog bikes. But with that weight, and at the 160/170-mm travel with 29″ wheels, it still feels maneuverable and reasonably spry on trails. EMTB’s still aren’t light, and my XL test bike tips past the 50lbs barrier by a couple pounds. So far, I’ve come away impressed with the Altitude Powerplay’s balance. So far I’ve mixed flowy blue trails with fun little jumps and more technical riding, the later serving a healthy dose of greasy roots and rocks. Part of that window was three days of riding at the MegaVolt, BCBR’s new eMTB event. Since picking up the Altitude Powerplay, I’ve been able to squeeze in a few rides between – and occasionally during – heavy rains from B.C.’s Atmospheric River and Weather Bomb. On the trail: riding the Altitude Powerplay C70 Finally, there’s a WTB saddle and Rocky’s own 760-mm wide alloy bars.Īll this gives the 2022 Rocky Mountain Altitude Powerplay C70 a price tag of $11,340.00. (Note: the C90 XL comes with a 200mm post stock, so presumably fit isn’t an issue). With more manufacturers moving to longer dropper posts, this is almost short for an eEnduro bike. ![]() Smalls get 125-mm posts and 150-mm on Medium frames). Race Face Aeffect R 30.9 dropper posts give the saddle a 170-mm range (for Large and XL frames. The rim and tire-saving inserts are installed on WTB ST i30 TCS 2.0 alloy rims rolling on a DT Swiss Hybrid 370 rear hub and Rocky’s own front hub. eMTB’s put more stress on tires, and you don’t have to worry about climbing, so tougher rubber makes sense. Same goes for the Double Down casing for the Assegai, with sticky MaxxGrip rubber, and MaxxTerra Minion DHR tires. ![]() Tire inserts are a perfect match for the added weight of eMTBs, and its excellent to see Rocky Mountain taking the step to include them stock on every bike. The wheels are simple and would be unremarkable if it weren’t for the addition of CushCore tire inserts, pre-installed, on both wheels and full DD casing Maxxis tires. Shimano’s four-piston XT Trail brakes pull on appropriately large 203-mm rotors, while Shimano XT 12-speed drivetrain, with a Race Face Aeffect alloy crank, feed the Dyname 4.0 motor. Suspension is handled by a 170-mm Fox 38E Float Performance Series, e-rated, and Fox Float XT Performance shock. Rocky Mountain kits out the Altitude Powerplay C70 with parts that reflect its improved capabilities and added power.
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