![]() ![]() the GT i-Drive) with nearly 6 inches of travel front and rear. It does actually work alright as such though, it's not like it's really disadvantaged in any way compared to a similar, standard singlepivot. Why would we want to, when the bike is this beautiful, and offers a glimpse into the. Doesn't do much to braking characteristics either.īasically it's fairly much equivalent to a singlepivot design with the pivot slightly lower than it is on each of the GT bikes. Rolls through technical terrain really well, maintaining speed perfectly. This bike is equiped with 26 x 2.10' WTB MotoRaptor DNA tires and Stainless steel spoke wheel while the rims are manufactured by Syncros Lil. GT Mountain bike iDrive 3.0 can be found in one single color which is Billet. In comparison all modern bikes are choked by platform shocks, the iDrive used mechanical leverage to cancel pedal input. iDrive 3.0 bike is available in many sizes such as Extra large, large, medium and small. It does provide some MINOR (and I stress minor) theoretical advantages due to the mass of the front triangle moving relative to the rider, but since we're looking at a ~30:1 ratio of masses (rider vs front triangle) it's not a big deal at all. Small bump response is fantastic and sprints up climbs like a goat. ![]() Since pedalling efficiency is determined largely by the same factors (axle path relative to centre of mass), it has little effect on that too. In reality it has the same compromises as everything else, because the axle path should be calculated relative to the centre of mass (mainly the rider, which moves backwards with the BB, relative to the front triangle) in order to determine bump absorption characteristics. What it does is theoretically allow for a relatively high pivot (good bump absorption and firmer pedalling) without having too much pedal feedback (what you feel as the pedals being tugged backwards when the suspension compresses due to the chain being pulled on). ![]() ![]() This is an older thread, you may not receive a response, and could be reviving an old thread. Lots will get stuck in the grease, but it wont make it near the bearings. Give em a coat of grease before you reassemble to stop water/dirt getting in. So in other words, whereas with normal bikes the BB is fixed relative to the rest of the front triangle, it can move slightly with the suspension on an i-Drive. Check the bearings turn nicely but arent loose.
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