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29/27.5" Should I mullet my mountain bike? ENDURO

Aug 21, 2020 · The bigger front wheel really let us charge into corners, eating up imperfections without hesitation. Next was the bottom bracket height. With Maxxis Minion DHRII 2.4 WT tires fitted, we measured the actual bottom bracket height of the 27.5 standard bike at 338 mm.Changing to a 29 front wheel raised the bottom bracket around 8 mm to 346 mm. Effective Top Tube vs Reach Singletrack Magazine ForumHello Single trackers, I have a frame sizing question. When considering my next hard tail frame, should i read the Effective top tube figure as my seated reach and the actual reach figure as my

MTB Frame Geometry Explained - Mountain Biking Australia

    • Seat Tube Length. This is generally taken from the centre of the bottom bracket (where the cranks Top Tube Length (ETT) These days we generally look at the effective top tube (ETT) length rather Reach. Measuring the reach provides a far more reliable indication of a bikes size and character Stack. Stack height offers a good indication of how high the handlebars will feel. Looking at the Head Angle. This is the angle between the ground and the head tube at the front of the frame. It Seat Angle. These days, with all of the complex frame shapes and suspension designs, the seat Chainstay Length. This is the rear-centre measurement of the bike, taken from the bottom bracket Wheelbase. The wheelbase is pretty self-explanatory; it is simply the measurement from the front Bottom Bracket Height (or BB Drop) The bottom bracket height is a simple measurement from the New School vs Old. You may have heard people talk about new school geometry. Part of this refers Top Tube Length (Effective) bikecad.caThe effective top tube length is the horizontal distance from the top tube/head tube junction to the seat tube. This measurement has become significant as more and more bikes are designed with sloping top tubes. Effective top tube length is one of three options for defining the length of the front triangle. For more on this, see here. MTB Frame Geometry Part 1:How It Fits - Singletracks Apr 12, 2012 · Top tube length is the distance measured from the steerer to the intersection with the seat tube. With modern bikes employing fancy curved top tubes, some makers list both the actual and the effective, or straight line measurement for this. If only one length is listed, it is usually the effective length. Mountain Bike Frame Size:How to Know if it Fits you ProperlyA Seat Tube B Top Tube C Effective Top Tube Length D Standover Height E Head Tube. The bicycle seat tube (A) is the tube that goes from the seat post to the bottom bracket. The length of the seat tube determines the mountain bike frame size. Some manufacturers provide bike sizes in inches, while others use small, medium, large, and extra large.

      Mountain Bike Sizing & Fit Guide REI Co-op

      Mountain Bike Effective Top Tube and Reach . Effective top tube (ETT) describes the horizontal distance between the head tube and the seat tube, regardless of whether you have a straight top tube or one that slopes down. ETT is a common measurement to look at when sizing a bike and is a good indicator of how long a bike will feel while youre seated. Understanding Bike Geometry Charts:What They Mean and Nov 19, 2018 · The measurement of a bicycles head tube is an area of essential importance, containing two key measurements that have a direct influence of a bikes handling; the angle and the length.. The head tube angle refers to the angle of the head tube to the ground and will commonly be described as either slack or steep. A slack head tube angle requires more effort to steer but is typically more stable Your top tube length is irrelevant - BikeRadarJun 29, 2017 · The legendary top tube can do no such thing. Stack and reach also gets rid of the struggle between centimeter and T-shirt-style frame sizing, which by the way is ridiculous.

      bike fit calculators, top tube length, etc BikeRadar

      Jul 24, 2014 · Depends on the geometry of the frame as you say. It's a theoretical top tube length measured as an imaginary horizontal line from head tube to seat tube. A compact frame has a sloping top tube while others can have a flat top tube. If the seat tube and head tube are the same distance apart, there's bound to be some difference in length of the actual top tube whilst the theoretical length geometry - What effect does seat tube angle have May 15, 2015 · Seat tube angle can be quite well made up for with fore-aft saddle position, so 2 degrees in difference can be easily neutralised. And the differences in angles between sizes may come from various sources:it could be forced by the design, for example to avoid some weird top tube length or too short distance from the crank to front wheel.Top Tube Length - Bike InsightsHowever, the effective top tube length remains constant at 561mm. Since both bikes will place the rider in the same position (given the same overall saddle height), effective top tube length is the more consistent way to compare the two. Effective Top Tube can hide underlying design issues