Laurence--Trials Posted February 7, 2012 Report Share Posted February 7, 2012 Just giving my rb lever a bleed today, and noticed a crack on the lever blade where your finger goes, could anyone enlighten me to how this could have happened? sorry for the bad pictures: Quote Link to comment Share on other sites More sharing options...
Adam-Griffin Posted February 7, 2012 Report Share Posted February 7, 2012 I can't even make it out from those pictures... Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted February 7, 2012 Author Report Share Posted February 7, 2012 Okay well the first one is the lever in front of my computer screen with the hydraulics and lever body on the left (not in picture) the thin bit of light you see is the crack. The lever blade is drilled from standard btw. The second photo is the lever blade with the hydraulics and lever body on the right (not shown) and the silver bit is the end of the lever blade where your finger goes causing paint to wear off. The thin black line you see is the crack. Ill see if I can get a pic of the whole lever. Quote Link to comment Share on other sites More sharing options...
Luke Rainbird Posted February 7, 2012 Report Share Posted February 7, 2012 how this could have happened? The lever blade is drilled from standard btw There'll most likely have been a stress riser from an imperfection where you've put a great big hole in the thing. Throw in a bit of use over time and some funky stresses and bingo, there's a crack. Edit; I'm assuming you mean it's been drilled by you/someone, rather than meaning 'drilled as standard'? Either way though, unless it's had a weird knock it'll more than likely be a stress riser/fatigue related crack. Quote Link to comment Share on other sites More sharing options...
monkeyseemonkeydo Posted February 8, 2012 Report Share Posted February 8, 2012 To be fair, even from those pics you can see it's pretty haggard so no real surprise it's suffered. Quote Link to comment Share on other sites More sharing options...
Little Yoshi Posted February 8, 2012 Report Share Posted February 8, 2012 There'll most likely have been a stress riser from an imperfection where you've put a great big hole in the thing. Throw in a bit of use over time and some funky stresses and bingo, there's a crack. Edit; I'm assuming you mean it's been drilled by you/someone, rather than meaning 'drilled as standard'? Either way though, unless it's had a weird knock it'll more than likely be a stress riser/fatigue related crack. They come from the factory with a great big hole in them. He hasnt done anything to it. Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted February 8, 2012 Author Report Share Posted February 8, 2012 (edited) There'll most likely have been a stress riser from an imperfection where you've put a great big hole in the thing. Throw in a bit of use over time and some funky stresses and bingo, there's a crack. Edit; I'm assuming you mean it's been drilled by you/someone, rather than meaning 'drilled as standard'? Either way though, unless it's had a weird knock it'll more than likely be a stress riser/fatigue related crack. Like this: They come from the factory with a great big hole in them. He hasnt done anything to it. Thanks. What i want to know is why has it cracked horizontally as appose to verically which could cause a snap or something? EDIT: off the RB website (http://www.rbdesign.sk/en/en_index.htm) Edited February 8, 2012 by Laurence--Trials Quote Link to comment Share on other sites More sharing options...
Luke Rainbird Posted February 8, 2012 Report Share Posted February 8, 2012 Either way though, unless it's had a weird knock it'll more than likely be a stress riser/fatigue related crack. Quote Link to comment Share on other sites More sharing options...
N.Wood Posted February 8, 2012 Report Share Posted February 8, 2012 May or may not be related but some people put quite a bit of downward pressure on the blade during some moves, like up to fronts. Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted February 8, 2012 Report Share Posted February 8, 2012 May or may not be related but some people put quite a bit of downward pressure on the blade during some moves, like up to fronts. This,I cracked my carbon lever just by pushing it down when I was trying hooks. Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted February 8, 2012 Author Report Share Posted February 8, 2012 Thats probably it then, rode last week and did probably not far off 150 ups to front Quote Link to comment Share on other sites More sharing options...
Luke Rainbird Posted February 8, 2012 Report Share Posted February 8, 2012 7 Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted February 9, 2012 Author Report Share Posted February 9, 2012 Do you think it will completely sheer off if i leave it and dont replace it with another lever? Quote Link to comment Share on other sites More sharing options...
Azarathal Posted February 9, 2012 Report Share Posted February 9, 2012 Do you think it will completely sheer off if I don't use my common sense and replace it with another lever? Quote Link to comment Share on other sites More sharing options...
WIGAN ?? Posted February 10, 2012 Report Share Posted February 10, 2012 some people on this forum are thick as f**k 8 Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted February 10, 2012 Author Report Share Posted February 10, 2012 Not really, I don't particularly want to replace it so I wanted to know if it was safe to use or should it be replaced ASAP? Quote Link to comment Share on other sites More sharing options...
Revolver Posted February 10, 2012 Report Share Posted February 10, 2012 Keep using it, you'll be able to tell when it's about to snap. Probably. Quote Link to comment Share on other sites More sharing options...
Matt Vandart Posted February 10, 2012 Report Share Posted February 10, 2012 I dont think it will snap for a long time, i could be wrong. Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted February 11, 2012 Author Report Share Posted February 11, 2012 Oh okay.. Let's hope your right! Quote Link to comment Share on other sites More sharing options...
Mikee Posted February 11, 2012 Report Share Posted February 11, 2012 What happened to this bit? Did you remove it? Quote Link to comment Share on other sites More sharing options...
Matt Vandart Posted February 11, 2012 Report Share Posted February 11, 2012 I think he has the newer lever Quote Link to comment Share on other sites More sharing options...
Laurence--Trials Posted February 12, 2012 Author Report Share Posted February 12, 2012 @mike, it was never there and theres no cut mark to show it was there. Like mart said I must have the newt lever. Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted February 12, 2012 Report Share Posted February 12, 2012 All RB rim brake levers have that knob. Quote Link to comment Share on other sites More sharing options...
Matt Vandart Posted February 12, 2012 Report Share Posted February 12, 2012 'All RB levers have that, knob' or 'All RB levers, have that knob' cos either way your wrong, the newer RB lever does not have that brace (knob) Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted February 12, 2012 Report Share Posted February 12, 2012 'All RB levers have that, knob' or 'All RB levers, have that knob' cos either way your wrong, the newer RB lever does not have that brace (knob) I don´t think so http://www.trialshop.cz/obrazky/17%20lever%20ERGO%201F%20black%20anodized.jpg Quote Link to comment Share on other sites More sharing options...
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