Mongooser Posted August 1, 2020 Share Any idea to why every 2nd ride or so my wheels break up to 3 spoke nipplesNone of them are seized or corroded and the wheels are perfectly true. Extremely frustrating having to seat tires every ride to fix it Sunringle add pro wheels on straigh pull ringle hubs...Thanks Edited August 1, 2020 by Mongooser Link to comment Share on other sites More sharing options...
ChrisF Posted August 2, 2020 Share A friend had a similar series of nipple breaks .... Only solution was to rebuild both wheels, better quality spokes and nipples Link to comment Share on other sites More sharing options...
Barry Posted August 2, 2020 Share What supplements do use? Try changing to key360 or 32Gi Maybe time for a rebuild could be spoke tention or metal fatigue in the nipples. Link to comment Share on other sites More sharing options...
Barry Posted August 2, 2020 Share Look and see if the nipples have corroded some sealants react with the alloy.The old XT 26er rims had a problem with sealant eating them Sunringle should run Stans with no problem as they had a finger in the pie. Link to comment Share on other sites More sharing options...
love2fly Posted August 2, 2020 Share You get a few kinds of nipple. Think it's brass alu stainless etc. One of them I just can't recall which - think it's alu breaks like mad. Get them all replaced and no more worries. Link to comment Share on other sites More sharing options...
Rapunzel Posted August 2, 2020 Share Given all your nipples are same make and age and under the same load, all will start going at the same time. Agree with ChrisF, rebuild is only (safe) solution ChrisF 1 Link to comment Share on other sites More sharing options...
DJR Posted August 2, 2020 Share Aluminium nipples look cool especially if anodized a nice matching colour, but they break and corrode depending on the exact alloy of the spokes they are used with. If yours are aluminium, rebuild and replace the whole lot. If they are brass, then I really don't know what to say, because those hardly ever break. Link to comment Share on other sites More sharing options...
Jewbacca Posted August 2, 2020 Share I think what people are trying to bring to mind is galvanic corrosion. Steel (spokes) and what I would assume are alu nipples will invariably corrode due to a chemical reaction. Another explanation could be that the spokes are too short and don't extend through the entire nipple, so they would fatigue and break. If you remove the tire and rim tape, does a small portion of the spoke protrude out the back of the nipple or sit flush with the top? If not, then your spokes are too short and aren't extending through the rim sleeve leaving the nipple to carry all the torsion. MarcHD, DJR and Mongooser 3 Link to comment Share on other sites More sharing options...
Mongooser Posted August 2, 2020 Share thanks for all the advice and stuff guys,will just rebuild them with the correct nipples and check sunrigle used the right spokes baffled as the wheels have maybe seen 15 hours of use at maxOh well. nipples are cheap.... Link to comment Share on other sites More sharing options...
Jewbacca Posted August 2, 2020 Share thanks for all the advice and stuff guys,will just rebuild them with the correct nipples and check sunrigle used the right spokes baffled as the wheels have maybe seen 15 hours of use at maxOh well. nipples are cheap....Just check they are long enough! Link to comment Share on other sites More sharing options...
MarcHD Posted August 3, 2020 Share I think what people are trying to bring to mind is galvanic corrosion. Steel (spokes) and what I would assume are alu nipples will invariably corrode due to a chemical reaction. Another explanation could be that the spokes are too short and don't extend through the entire nipple, so they would fatigue and break. If you remove the tire and rim tape, does a small portion of the spoke protrude out the back of the nipple or sit flush with the top? If not, then your spokes are too short and aren't extending through the rim sleeve leaving the nipple to carry all the torsion. Good advice! Equally important: check if there is any thread exposed from the visible part of the nipple - this means the spokes are too short and will result in alu nipples being more likely to sheer in half. Correct tension is the next obvious thing if spoke length and corrosion have been ruled out as tension being too low is one of the most common problems seen with wheel building. Low tension means spokes flex more, which means they fatigue the nipples and rim. Nothing wrong with alu nipples as long as correct tension and technique is achieved, but be aware like another user pointed out - they will corrode eventually (usually in a couple years time). Link to comment Share on other sites More sharing options...
Long Wheel Base Posted August 3, 2020 Share I think what people are trying to bring to mind is galvanic corrosion. Steel (spokes) and what I would assume are alu nipples will invariably corrode due to a chemical reaction. Another explanation could be that the spokes are too short and don't extend through the entire nipple, so they would fatigue and break. If you remove the tire and rim tape, does a small portion of the spoke protrude out the back of the nipple or sit flush with the top? If not, then your spokes are too short and aren't extending through the rim sleeve leaving the nipple to carry all the torsion. Just check they are long enough!MARGINAL GAINS!!!!!!!!!!!!!!!!!!!!!!!!!!!! Jewbacca 1 Link to comment Share on other sites More sharing options...
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