I am 70 and am struggling on my favorite ride. It is 32miles with 3400 feet of climbing. Mostly 6-8% grades with some 10 and even 13%. I am 220+lb so that doesn't help. The ride is dirt and involves three major climbs. It takes me 4 and half hours total on my mtn bike. This summer I am facing some additional problems so am looking at getting an ebike which most likely will not be delivered this season so it's a gamble. I can work reasonably hard so it's not like I need full assist the entire time but am curious if the Turbo Levo would "for sure" be able to assist me for roughly 20mi of serious climbing , probably...maybe...or what. Do any of you have a sense regarding the range for a heavier rider wanting to do roughly 15-20mi of uphill for total distance of 35-40mi? It is a dirt road...no single track...just some serious climbing at times. One stretch is 8.5mi of nearly constant climbing.