dieBrood Posted November 11, 2019 Share My wife has a Scott RC Contessa 2018 and myself ride a Scott RC 900 World Cup 2017 model. After the recent W2W we discovered that the BB on my wife’s bike was chafed quite severely by the cables running below it - see attached pic.. To my dismay I discovered a similar groove below the BB of my bike as well. I took both bikes for a post-W2W service at my local Scott bike store. They were as surprised as I was and swear it is the first time they’ve noticed it. This was never an issue on any of our previous Scott bikes, but all of them were the old design. I was wondering whether anybody on a 2017 Scott RC and newer, have experienced something similar and why this will happen? The one possibility is that the cables will start to chafe away at the BB when you ride the bike soft and not locked out. i am still awaiting Scott’s reaction, but will appreciate any contribution to solve this “mystery”. Link to comment Share on other sites More sharing options...
brad890 Posted November 11, 2019 Share This can happen to any brand. Its caused by brake or shifter cable housings being cut too short when replacing them, or housings the have shifted in the frame getting shorter at the bb and longer at the levers / shifters Most manufacturers have a recommended length or distance from cable and bb when frame uncompressed to compensate for compression. DieselnDust, Hairy and Skylark 3 Link to comment Share on other sites More sharing options...
DieselnDust Posted November 11, 2019 Share installation error in my opinion. The cable housing should have been loose enough to not touch the frame under full compression Hairy and Skylark 2 Link to comment Share on other sites More sharing options...
Skylark Posted November 11, 2019 Share This can happen to any brand. Its caused by brake or shifter cable housings being cut too short when replacing them, or housings the have shifted in the frame getting shorter at the bb and longer at the levers / shifters Most manufacturers have a recommended length or distance from cable and bb when frame uncompressed to compensate for compression.installation error in my opinion. The cable housing should have been loose enough to not touch the frame under full compressionThat's all there is to it. Link to comment Share on other sites More sharing options...
Mr Anderson Posted November 12, 2019 Share Happened to my Momsen as well. Bike manufacturers blame the LBS, LBS blames the manufacturing of it. Link to comment Share on other sites More sharing options...
DieselnDust Posted November 12, 2019 Share Or LBS blames the owner for not fitting frame protection at that point. Hairy 1 Link to comment Share on other sites More sharing options...
Me rida my bicycle Posted November 12, 2019 Share If the cable's on the bike are installed with enough play this can't happen. Link to comment Share on other sites More sharing options...
duanelr Posted November 12, 2019 Share check your scott bike manual. They have a recommended clearance of about 10cm (i think). my 2018 spark 940 has 6000km on and i've never touched the cable down at the BB, the still look newish, not like the rust in the photos Link to comment Share on other sites More sharing options...
Hairy Posted November 12, 2019 Share No matter the brand of bike, when you first get it make sure you apply some form of protection to the frame wherever the cables can make contact with the frame (Including under compression) and after your first ride see if your shoes make contact with the frame or crank and if so apply protection to these areas. I am assuming you were one of the swimmers at this years W2W, if so those conditions could only have made your situation far worse than when riding in fair weather conditions. Link to comment Share on other sites More sharing options...
BikeisLife Posted November 12, 2019 Share Whoever fitted the cables/hoses or cut them shorter is to blame. Link to comment Share on other sites More sharing options...
porqui Posted November 12, 2019 Share Some cable wrap will help Link to comment Share on other sites More sharing options...
droo Posted November 12, 2019 Share To those suggesting that protection will help - no amount of frame or cable protection will stop that. Proper cable routing will. Cable routing needs to be checked at both extremes of handlebar and suspension travel. To anyone whose bike shop blames the manufacturer, find a new bike shop. JohanDiv, BikeisLife, Skylark and 1 other 4 Link to comment Share on other sites More sharing options...
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