Dt competition straight pull black spokes double butted 2. At the first bike shop i worked in, we used the wheelsmith spoke calculator. Be advised, you may find hubs which use straight pull spokes. At the moment please do not use these as the spoke length will be incorrect.
A third drawback of straight pull spokes is that they are difficult to use when building custom wheels because there are no available universal straight pull spoke calculators due to the differences in various straight pull hub designs. Im sure there must be a way to make measurements and do the math for straight pull, but im not a mathematical genius. Bikeco bicycle spokes with nipples 10pcs mtb road bike straight pull aero spokes for mavic aksium ksyrium equipe crossride cosmic 26er 700c bicycle wheel spoke 11. Aug 06, 2015 calling it the trail s series, the new wheels include aluminum rims sourced from taiwan with sapim race butted straight pull spokes and secure lock ds nipples laced to the new trail s hubs. Pillar spokes to reasonable prices available in jbend and. Im looking at buying hope enduro pro 4 29er wheels and ive seen two options. Please note that sapim spokes tend to run about 1mm shorter than listed length. Wheelbuilder has a wide variety of spokes available to suit the unique demands of each cycling discipline. Straight pull hub, triplet lacing, asym rim and fatbike compatible. Yes it can however it requires some additional steps. Ask a mechanic jbend vs straight pull spokes arts slo. Spocalc is a free excel spreadsheet i made that calculates spoke lengths for wirespoked wheels. The new spoke calc program will have an option for these additional steps. Pull them tight and measure dimension a in the figure the diameter to the edge of the nipples, where the spokes disappears into them.
Ridefast racing spm, spr and spsl hubs are designed to utilize straightpull spokes. This spoke can be paired with the new dt swiss straight pull hubs to create a much stiffer, perfectly built wheel. This elbow not only creates a point of weakness in the. This spoke calculator is provided only as a guide for your convenience in determining spoke lengths for your order. Finding the best spoke length calculator for wheel building. Straightpull hubs are a key component allowing us to build the strongest, fastest wheels possible. Custom cut spokes offers bicycle, scooter and ebike spokes cut to order to almost any length required, and we deliver fast cut using either our morizumi sct or phil wood spoke machines we ensure every spoke is cut to an equal length with a precision rolled 56tpi thread. Straightpull spokes have been around for awhile on mtb wheels, but mainly just on very expensive wheelsets mavic deemax for example. Spoke calculator does not calculate length for straight pull spokes. Bladed straight pull spoke 302mm, black, with silver nipple included. Industry nine adds straight pull hubs for steel spokes, build. Sapim cannot be held liable or responsible in respect of the use of this online calculator, data entered, nor for the results produced by any party using this online calculator, nor for any decisions taken based upon those results.
Hub flange diameter, hub center to flange center, and cross pattern. Straight pull spokes were invented to eliminate weak point at the bend in a traditional spoke and to make wheel building faster. Our guiding idea is to constantly push barriers with our inhouse developed technologies. Now that ive figured them out im going to add straight pull spokes to my own calculator and ill update the book to show people how to work out spoke lengths current edition says straight pull are a pita. The spocalc database is also usermodifiable and expandable so you can add more rims and hubs. The spoke length calculator is used to figure out how long spokes are for a bicycle wheel based on all the required measurements. Dt swiss competition straight pull 284mm black spokes. Recently the better wheel component manufacturers have been getting in on this by selling straightpull spokes and compatible hubs individually, and they are generally considerably more expensive than the normal variety. To calculate spoke lengths for the second side of the wheel, reenter data fields for. Please note that sapim spokes typically measure slightly shorter than the listed length. Today dt swiss has established itself as a leading manufacturer of spokes, nipples, hubs, rims. The stub end is very slightly flattened, but theres no practical way to reach that end when the spokes are in place on the hub.
By using a straight pull spokes design we creating one of the strongest and stiffest wheels in bmx. Traditional spokes also known as jbend have an elbow or bend near the spoke head to allow the spoke to enterexit the hubflange from the side. Whether jbend or straight pull, spokes by pillar convince with their quality. Sapim cxray straight pull spokes black fair wheel bikes. I saw measurements of two identical wheelsets using competition spokes and dt 5. Also, ive found that the increase in durability offered by straight pull spokes compared to jbend spokes is minimal. The ultimate spoke length calculator for bicycle wheels. About dt swiss driven by the vision of becoming a worldwide known manufacturer of bicycle components, dt swiss expanded its product range over the years. Please select first your wheel type, then enter the. Pull them tight and measure dimension a in the figure the diameter to the. This tool allows you, as a professional wheelbuilder, to quickly and easily calculate the weight and correct spoke length for your wheel.
Straight pull spokes have some obvious engineering victories over jbend spokes, but we see so few spokes breaking at the jbend that it is hard to justify. They can also spin sometimes in the hub flange, which makes it difficult to get the spoke to a high tension or to loosen a frozen spoke nipple. Errors in spokehole diameter contribute directly to errors in spoke length, but. Tensile strength is the resistance to the spoke being pulled at both ends. Industry nine adds straight pull hubs for steel spokes.
The hubs we use have angled flanges which helps in this area as well. There are far more hub choices built jbend spokes, especially in 28 and 32 hole which we prefer for our wheels. Now available in straight pull designs these spokes offer riders the perfect option when durability is crucial. There are lots of other spoke calculators on the web see the list ive assembled. Ubis spoke calculator calculates spoke lengths for one side of the wheel at a time. Please select first your wheel type, then enter the appropriate values. New shimano spoke protector cpfh50 resin for 36h freehub 28 30t. Pillar spokes to reasonable prices available in jbend. Dt swiss aerolite straightpull 284mm black spokes box of 20. There are some good topics discussed on this forum, for example the recent topics on straight pull spokes and the dt calculator. Some require you to measure your own rim and hub, but spocalc includes a database of over 350 hubs and 500 rims. Currently, both dt swiss and sapim regularly produce straight pull spokes in various grades i. Perhaps this is why you think straight pull spokes are super pricey. Another question, ive seen ambrosio hubs available in straight pull fairly inexpensively.
Can i calculate straight pull hubs on your spoke calculator. This spoke calculator is an accurate and easy to use tool to calculate the correct spoke length for your wheel builds. Get the best deals on shimano bicycle spokes when you shop the largest online selection at. Spoke length calculator for wheelbuilders wheelpro. The kit consisted of a ruler, a pair of rods, and a preprogramed scientific calculator for measuring the parts and running the calculations. Sapim cxsprint straight pull spokes black fair wheel bikes. Bikeco bicycle spokes with nipples 10pcs mtb road bike straight pull aero spokes for mavic aksium ksyrium equipe crossride cosmic 26er 700c bicycle wheel spoke. We believe in the art of engineering and strive for sophistication in the product development process. The spoke pulls straight through the hub, eliminating the weak point in traditional spokes and affording much more consistent wheel building leading to stronger, faster wheels. When selecting a rim or hub from the site, its best to double check the measurements with your items first. Using the calculator, simply select the rim, hub, spokes and nipples from the selection menu and hey presto you have the weight and spoke length. There is no bend between the spoke s head where it enters the hub and its end where it attaches to the rim. Powertap gs rear hub you will need to enter the rim measurements erd, along with the correct powertap hub dimensions shown below, and the cross pattern into a spoke calculator to determine the necessary spoke length.
Add to cart add to cart add to cart add to cart add to cart customer rating. This is one of the most versatile spokes in the dt swiss spoke range. Edd, an easy to use spoke calculator edd, a spoke length calculator. If you are using dt swiss straight pull hubs, you can use the dt swiss spoke calculator which has their sp hub measurements preloaded. You pull a plastic cover off and the spoke head pops into place. Do this at several spots around the rim and average the measurements. This will produce accurate spoke lengths for the second side. This has proven to be the best calculator for our rims. These are the lightest and most durable stainless steel spokes available today. Spoke length calculator for ios free download and software. Custom cut spokes for bicycles, ebikes and scooters. Straight pull cxray spokes are intended for use on hubs with straight pull flanges, such as those from extralite. Calling it the trail s series, the new wheels include aluminum rims sourced from taiwan with sapim race butted straight pull spokes and secure lock ds nipples laced to the new trail s hubs. Keep this in mind when selecting which length to purchase.
Sapim cxsprint straight pull spokes black fair wheel. Using the calculator, simply select the rim, hub, spokes and nipples from the. Front wheel front wheel with disc rear wheel rear wheel with disc. Select your components to quickly get a spoke length or you can enter them manually. Not intended for use with straight pull spokes wheel type. What length spokes do i need to build my new powertap g3 or gs straight pull hub into my rim. I just plug the measurements into a spoke calculator when i make wheels. Best value straight pull spokes great deals on straight. In reality, spokes have become so good, and also often very butted, so its not really a problem. Ill note that the easton hub ive been working on is the devil incarnate. The spoke calculator shows not only the theoretical left and right spoke lengths, but also the tension ratio and spoke angle into the rim.
Dt champion straight pull black spokes straight gauge 2. See the spoke length calculation help page for specifics. Fat bike, offset and some carbon rims require corrections prior to calculating the spoke length. Please take the time to ensure that your hub and rim measurements are accurate. Damon rinards free spoke length calculator sheldon brown. Dt competition gets its special strength from cold forging. So i suspect straight pull spokes are no longer superpricey. Bikeonlineshop has them with straight or curved spoke head and in various lengths. Can you use these straight pull spokes and hubs with normal replacement rims velocity aerohead,etc. If you are questioning it, please check with us and we can send you a link of confirmed spoke sizes for a variety of hubs. Universal cycles dt champion straight pull black spokes. A drawback is that not all shops will carry straight pull spokes. Your lbs may have the phil wood spoke cutting machine, in which case it should be really easy to get the right sized spoke, provided they have enough straight pull spokes laying around. Custom cut spokes your one stop shop for bicycle, scooter and ebikes spokes due to unprecedented demand, we are currently running about 2 days behind our normal posting schedule.
First off, am i correct in thinking this refers to the spokes. This makes an extremely durable spoke and thanks to the thinner middle section, it is 48 g lighter per 64 spokes than a spoke with a constant diameter of 1. Discover over 675 of our best selection of straight pull spokes on with topselling straight pull spokes brands. Insert two old spokes into holes exactly opposite each other on the rim. These spokes are sold individually and do not include nipples. Straight pull spokes are stronger than j bend spokes because they work purely on the tensile strength of the spoke. Description of dt swiss competition straightpull spokes 2. This tool will help you calculate the proper length for your spokes. These are easton spokes which are round, with the nipples in the rim not backwards like some fancy rims. Shop the top 25 most popular straight pull spokes at the best prices. Dt swiss competition straight pull 300mm black spokes. Wheelbuilding spoke length calculator and detailed spoke length help guide.
This caclulator should not currently be used to calculate spoke lengths for straight pull hubs. This is a reminder about spoke length calculator s use of cookies. A question about measuring straight pull hubs for you. All measurements are in millimeters mm not intended for use with straight pull spokes. A good wheel build with high quality jbend spokes in my experience is just as durable out in the real world as a wheel built with straight pull spokes. Calculations can be done, but it requires a lot of extra steps and a good amount of experience building. Nov 15, 2015 im sure there must be a way to make measurements and do the math for straight pull, but im not a mathematical genius. Universal cycles dt competition straight pull black spokes. Shimano straight pull spokes 297mm set of 20 silver. If youre measuring the overall length of the spoke including the head, add about 2mm. Our local post office is also reporting some slight delays in posting. Dt swiss competition straight pull 282mm black spokes. An easy to use spoke length calculator with a large amount of hubs and rims in its database.
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