star nut vs compression plug

PLEASE NOTE: The bike build process currently takes 5-7 business days. if($("#priceMatchContainer #comments").length > 0){ Phone: $.trim($("#customBikePhone").val()), Post your problems, and we will try to get your bike rolling again. Copyright 1995-2022 eBay Inc. All Rights Reserved. You might want to try a lower position before you make it permanent by cutting. All bikes are built, tested, tuned, and ready to ride upon shipment. Colnago made it that way to offset stem clamping forces. Thanks C-40 for the reply. $("body > main > div > div.grey-block.order-details > div > div > span:nth-child(4)").remove(); There was a recent thread about the Wolf SL fork and how much you could cut after gluing the insert, but they seemed to have done away with it.

Which website would you like to use? var bikePresent = false; I have also seen star nut expander plugs used on carbon steerers . setTimeout(function(){ I thought that was stupid and replaced it with a compression plug. Bike Star Nut Bicycle Bike Headset Compression Plug Expander Stem Top Cap.

Install stem onto column. { Engage so most of the stem sticks up above the column. Works really well. Give that a look-see. Is there a way to make this top cap work on a compression plug type assembly? if($(".delivery-cost:contains('FREE')").length > 0){ Install top cap and headset adjusting bolt into expansion plug hollow bolt. Archive - speed: 300, The headset adjusting cap and bolt then fit into the top of the expansion plug. There are various reasons for spacers above the stem. I like mine. This technique works ONLY if you use the newer longer TNS models. The stem bolt(s) must be loosened, which makes the stem effectively a spacer during the adjustment. It can also help maintain alignment to use the stem as an alignment guide. } } - eBay Money Back Guarantee - opens in a new window or tab, cleared payment - opens in a new window or tab, - for PayPal Credit, opens in a new window or tab, Learn more about earning points with eBay Mastercard, - eBay Return policy - opens in a new tab or window, - eBay Money Back Guarantee - opens in a new tab or window. // ]]> It depends on the compression plug. document.body.appendChild(ratingBadgeContainer); $("#covid-messaging").slick({ JavaScript is disabled. Use a small amount of removable thread locking compound on the threads of the new screw. Also, if you ever have to shorten the steer tube, you can. return c.substring(name.length, c.length); Contact Us - $(".customize-this-button").click(function() { } }); 8 speed chain and 8 speed chainrings on 9 speed triple cranks? It can also work to drill out the center of the nut, and then tap out the remaining pieces. infinite: true, //KioskCode And that huge Colnago plug just about negates any weight advantage of a carbon steerer vs. alloy. } if(getCookie("IsKiosk") && $("body > header > div.header-top.clearfix > div > div > div.dropdown.header-account-menu-container.hidden-xs > ul > li:nth-child(1) > a").html() =="Sign out"){ I wouldn't imagine so, other than a few extra grams, but thought it'd be worth asking. else if($(".product-name h1").html() == "Jenson USA Gift Card") Strike the top of the TNS-4 with a hammer to drive in the star-nut. Oversize Charges Because it's a metal steerer, you can remove the top cap and compression plug after you've torqued the stem on if you want. Place the TNS-4 over the top of the steering column. //clearBikeDates(); } else{ $("#mainForm").hide(); It is also possible to drive the old nut completely through the column and out the bottom. window.location = "/Jenson-USA-Gift-Card?amt=" + giftAmount; Hold tool aligned while striking TNS. The star-nut outer diameter is slightly bigger than the inside diameter of the fork column. Cookie Policy - PARK TOOL and the color BLUE are registered trademarks of Park Tool Co. All other referenced trademarks and trademark registrations are the property of their respective owners. } window.gapi.load('ratingbadge', function() { Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items. if($(".store-pickup-opts").length > 0){ If you Buy It Now, you'll only be purchasing this item.

Never had an issue with this plug pulling up or failing to bite in to any fork I've stuck one in (unlike a cheaper one I tried first). bikeDateRun++; My two options are to use a 1" compression plug or a start nut, but I need some advice. All rights reserved. $(".slick-prev").css("display", "none"); It's never a good idea to hammer a sharp metal object into a carbon steerer. Put flowers in there. The Colnago expander plug feels heavier than it is: 55 gms. $("#chatNow").click(function() { }, 500); Once we are done building your bike, we will process the shipment. function clearBikeDates(){ This will make the nut unusable. if($(this).html().indexOf("BI") != -1){ bikePresent = true; } } if($("#seatPostGraphic").length > 0){ loadSeatpost(null); if(checkForm()){ As with most all threaded fasteners, grease or oil the threads. Order a couple of different ones and return the one that you don't use. It is not necessary to completely remove the old nut. $("#shopping-cart-container").before(""); In the NYC area where prices are generally higher than most my LBS charges $5 for a star nut install. slidesToShow: 1, if($(".coupon-banner-right-2").length < 1){ As others noted, use what is supplied by the fork manufacturer whenever possible. I have an older 1" (25.4mm) carbon fork from Nashbar. There is a cone at the top and bottom, and a hollow bolt passes through the sleeve. $("#priceMatchContainer #comments").removeAttr("id"); // IPI comments fix I know, I knowwe're all weight weenies. Terms of Service - Compression plug will work, but you can also make your own starnut tool: I have never owned a star nut tool and I have installed many of them safely. Another is that at my age, 52, I am currently very limber and can use most of my bikes with the stem with little or few spacers below. Professionals with very long (130mm-140mm-150mm) stems that can result in a too-long of lever-arm where the pro cyclist (i.e., sprinters) can basically twist the stem with such force that they can snap the carbon steerer tube.

}); Hokolite Lux-Bike 1500 Lumen Bicycle Light Review, Skratch Hydration Mix, Energy Chew and Bar Review, All Exercise is Good, and Vigorous Exercise is Better. This can lead to potential stress cracking of the carbon steerer tube, not good. else{ } $("body").prepend("

"); $("#closeWinDone").click(function(){ }); $(".delivery-cost:contains('FREE')").siblings(".delivery-date").html("Standard (3-5 business days)");

After Sunday I have replaced my Hope expander with the simple starnut, make sure you get the starnut seated correctly i.e straight. Refresh your browser window to try again. It wouldn't expand enough to fit the aluminum one.

Place TNS with nut inside stem and column and tap downward. like mentioned above starnuts are cheaper and less hassle.. Expander= cost more, weigh more, do same job. Copyright 2021 MH Sub I, LLC dba Internet Brands. Orders that include special-order orbackordered items may be subject to shipping delays depending on product availability. It's been about a year since I shopped for one so I can't remember details. }); $(".delivery-cost:not(:contains('FREE'))").parent().parent().remove(); } if(window.innerWidth < 600){ if(letter == null){ Thanks. Sorry, didn't mean to imply they had no use, just only a relevant use! Log in. [CDATA[ } [CDATA[ My current compression plug is the new version that has the large diameter internal thread as part of the top capjust like the. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The nut is installed. The TNS places the nut about 15mm (9/16) below the top of the steering column. Hm, Cannondale is one of the few companies, which has a clearly defined manual about carbon steerer and star nuts. $(".slick-next").css("display", "none"); Seems like a good setup. I bought a handful of cheap compression plugs off AliExpress for $3 a piece. I sure am glad that my new fork has an aluminum steerer tube. In other words, it is designed not to be removable.

I suppose I was only weeks away from certain dental work. $(".container-default").css("padding-top", "0px"); Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, troubleshooting, maintenance, and more! Token makes some substitutes but they come out to around 38 gms. } If it is necessary to install another nut, simply use a punch and drive the first nut down until deeper than the new nut will sit. //$("#register-form").html("

Our registration system is currently undergoing maintenance and creating accounts is currently unavailable. The Carrera Hardtail combined thread - come on all you Carrera's. For me, it's not worth it (not the cost, the weight loss). $(function(){ }); The star fangled nut is for forks with an aluminium or steel steerer and the compression plug is for carbon steerers. Advertising - $("#responseLine").show(); Do Not Sell My Personal Information -. // bike customization modal A forum for folks with questions about bicycle repair. It's worked every time I've done it. When bikes are assembled, a stem preload bolt (to preload the bearings) and an expander / compression plug (the other part of the bearing preload system as well as used to clamp the stems binder / pinch bolts against) are used as the interface between the handlebars and the bicycle frame. }); Do not tighten any upper pinch bolt. Should work just fine but if it doesn't- try a Carver Compression Plug. I've been researching this subject lately for my dream C50 build. cannondales use a starnut in their carbon forks. A forum community dedicated to Road Bike owners and enthusiasts. As far as hammering it goes, popular methods including sticking a screwdriver through it and hammering the screwdriver. $("#seatPostGraphic").attr("src", "https://www.jensonusa.com/globalassets/product-page-assets/SEATPOST-GEO.jpg"); I use them on all my bikes, both carbon and metal steerers. Threadless headsets are adjusted by pressure on the top bearing race. I can do this in 5 minutes on one of my bikes, but when the tt bars are on, there are spacers above the stem due to different riding position. Find an appropriate compression/expander plug or epoxy in a threaded aluminum insert. //setInterval(function(){ clearBikeDates(); }, 1500);

View cart for details. } //$("a.button-default:contains('Guest Checkout')").hide(); slidesToScroll: 1, Another could be while you are trying to dial in the fit of a new bike. var name = cname + "="; http://www.chainreactioncycles.com/Models.aspx?ModelID=75533, http://www.youtube.com/user/MrDelcol#play/uploads, http://www.youtube.com/user/topasassin#play/uploads, http://www.chainreactioncycles.com/Models.aspx?ModelID=41053. But I wanted a long one so I ordered a couple different ones from Amazon and eBay just to compare. Last week I replaced that frame, and as I was taking it apart I found where the compression plug had basically split the fork half way around. When you keep surfing on this site you agree with the cookie usage. Install the assembled expansion plug into the steering column. The walls of the carbon fork are thicker and the compression plug is made for that. A star nut is a spring, loaded under tension that pushes outward on the inner wall of the steel steerer tube and as such can damage a carbon steerer tube. if($(".order-confirmation-header").length > 0){ Please select more than 2 or more bikes for comparison, Wolf Tooth Compression Plug with Integrated Spacer Stem Cap. $("#sendEmail").click(function(){ I've seen plenty of things that shouldn't have been done Cannondale uses a starnut. The Official Bike Forums Cafe Press Store, Adaptive Cycling: Handcycles, Amputee Adaptation, Visual Impairment, and Other Needs. var bikeDateRun = 0; If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance. I'd either buy a star nut for $1.50 and hammer it in or pay your LBS a visit. On the Competitive Cyclist site, in the copy for the Problem Solvers headset compression plug, it says: "As you know, you don't pound a star nut into a carbon steerer, rather you use what's known as a compression plug to hold the fork in the frame.". starnut nice and simple and does the job.. A new stem etc makes no difference. The bike build process typically takes 2-3 days to complete depending on the bike model and the complexity of the build. // Special Seatpost graphic }); Thread the star-nut onto the threaded stud inside the TNS-4. infinite: true, Star Fangled Nut and Expansion Plug Installation.

Cyclocross and Gravelbiking (Recreational), Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling, Track Cycling: Velodrome Racing and Training Area, https://www.modernbike.com/cinelli-earbon-steerers, https://www.amazon.com/dp/B077JYV6Z4_80AtEb19P25NC. A typical expansion plug system consist of an expandable sleeve. "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail.". I saw the Alpha Q sleeve when I was doing my research but it looks like the sleeve and adhesive used would cancel out any weight advantage of a carbon steerer. // ]]> I'm going to check and see if they still have them. (In my opinion, the best is from Cervelo.). }

The bolt is threaded into the star fangled nut which be fitted into the inside of the fork column. More often than not, an incorrect expander plug is used, which, when (over) tightening the stems pinch bolts can cause cracking of the carbon forks carbon steerer tube (more on this later see photos below). variableWidth: true Hold the TNS-4 straight and in line with the steering column. Tried this, it doesn't work. The top cap looks like it will only fit a star nut assembly. $("#responseLine").hide(); Seller assumes all responsibility for this listing. This article reviews installation and removal of "star-nuts" into threadless fork steering columns, as well as "expansion plug" installation. $("#seatPostGraphic").attr("src", "https://www.jensonusa.com/globalassets/product-page-assets/seat_post_" + letter + ".jpg"); The inner diameter of the carbon steerer is 20mm at the max. Only up to three bikes can be compared at once. [CDATA[ Thats a pretty interesting document from Cannondale. I do have a spare compression plug from my road bike -- any issues using a 35mm x 1 1/8" compression plug instead of a star nut in an alloy MTB fork? Same day shipping on most orders if placed by 3pmPST. I recently purchased a Zipp 145 stem and noticed that it also came with a very cool Zipp top cap. I'm not saying you can't f it up but, you shouldn't be afraid to try. when i had the head doc on my pace frame, i could feel when it came loose, could feel it.. (like a knocking) it always turned out to be the head doc in the sterrer tube.. i would tighten it back up refit and tighten the topcap redo the stem bolts and it would be fine again.. untill the next time. I've not had a single problem with them, when using them for XC use. setTimeout(function(){ $(".brand-bottom-content").show(); }, 3000); I am sure there are other reasons for other people, but all of these are considerations for me. We're using cookies in case to provide best-possible user experience. // ]]>. if(window.innerWidth < 600){ $.fancybox.close(); Yes, this is for a Cannondale fork with a carbon tube. $.fancybox.close(); 1" compatible compression plugs are available but I agree - they are most likely scarce. function getCookie(cname) { } TellUs: $.trim($("#customBikeTellUs").val()) }, Refer to estimated delivery times in cart when selecting shipping options. } }); }); } Stock Status

You are currently on the Park Tool United States website, but you havent set a preferred region. Just choose Standard Shipping during checkout. These insert inside the steering column and then expand and jam against the inside walls.

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