Tuesday Tech Talk When Does Stack Reach Change Road Bike Action

Tuesday Tech Talk When Does Stack Reach Change Road Bike Action The most common circumstance is when a bike uses a flip chip to move the axle of the bike vertically. this doesn’t have to be straight up and down, but even a slight modification changes the frame’s relation to the ground, thus altering the stack and reach ever so slightly. Similar reach and stack measurements between bikes will help to match the contact point engagement. these two measurements can be the same across multiple bikes, however, the wheelbase, steering characteristics, and numerous other factors can change underneath you.

Road Bike Action The idea of using stack and reach in the first place is that they are two independent measurements. most of the stuff on your bike is at some weird angle and stack reach are terms created to simplify things into horizontal distance and vertical difference. Things like bottom bracket drop and trail can change for a bike model from one size to the next. the preference might be for the bottom bracket drop or trail number that is more to one’s liking, so check all the geometry numbers, not just stack and reach, when trying to determine frame size. How does stack height affect the reach? option 1: stack increase = reach decrease if we increase the stack height, we are increasing the distance between the bottom bracket and the top of the head tube. consequently, the reach will decrease if want to maintain the original head tube angle (hta) of the bike. In a simplistic way, the more spacers you use, the more you reduce the reach. the amount you'll reduce it varies according to the headtube angle, which is usually different based on bike size. smaller frames tend to have a slacker ha so the effect is bigger compared to larger frames.

Twenty Tech Questions Road Bike Action How does stack height affect the reach? option 1: stack increase = reach decrease if we increase the stack height, we are increasing the distance between the bottom bracket and the top of the head tube. consequently, the reach will decrease if want to maintain the original head tube angle (hta) of the bike. In a simplistic way, the more spacers you use, the more you reduce the reach. the amount you'll reduce it varies according to the headtube angle, which is usually different based on bike size. smaller frames tend to have a slacker ha so the effect is bigger compared to larger frames. Yes, the reach is the same, but stack is higher. that does not change anything about your position though. your position is determined on handlebar stack and reach. so you still have to factor in the stem, spacers and bars before you can say if it's more upright or not. Does changing road bike stack height change the amount of afforded reach? for example, if i change to taller stack does the fork angle bring the headset closer to me and therefore i should be on a longer stem or does it do nothing at all? can't get my head around this one.

Road Bike Action S November Issue Road Bike Action Yes, the reach is the same, but stack is higher. that does not change anything about your position though. your position is determined on handlebar stack and reach. so you still have to factor in the stem, spacers and bars before you can say if it's more upright or not. Does changing road bike stack height change the amount of afforded reach? for example, if i change to taller stack does the fork angle bring the headset closer to me and therefore i should be on a longer stem or does it do nothing at all? can't get my head around this one.

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