--- title: "Technical FAQ: Indoor training sweat corrosion, stem raiser safety, lower gears with Campagnolo CT 11-speed" description: "Technical FAQ: Indoor training sweat corrosion, stem raiser safety, lower gears with Campagnolo CT 11-speed" image: https://blog.zinn.bike/hubfs/Imported_Blog_Media/GettyImages-1222781910.jpg --- - [clydesdale bicycles](https://www.zinn.bike/bikes/clydesdale-bicycles/) - [ZINN Custom Bikes](https://www.zinn.bike/) - [Tui Bikes](https://www.zinn.bike/bikes/tui-bikes/) - [303-499-4349](tel:303-499-4349) - [Login or Create account](https://www.bigandtallbike.com/myaccount.asp?__hstc=248507544.90448e05af5b6838a0b3ffd1e40c765f.1752502478952.1753346888326.1753362879282.6&__hssc=248507544.2.1753362879282&__hsfp=945770823) - [View Cart](https://www.bigandtallbike.com/message.asp?msg=49&__hstc=248507544.90448e05af5b6838a0b3ffd1e40c765f.1752502478952.1753346888326.1753362879282.6&__hssc=248507544.2.1753362879282&__hsfp=945770823) [![Zinn logo white](https://blog.zinn.bike/hs-fs/hubfs/Zinn%20logo%20white.png?width=196&height=72&name=Zinn%20logo%20white.png)](https://www.zinn.bike/) [![Zinn logo 200px wide for checkout page](https://blog.zinn.bike/hs-fs/hubfs/Zinn%20logo%20200px%20wide%20for%20checkout%20page.png?width=196&height=72&name=Zinn%20logo%20200px%20wide%20for%20checkout%20page.png "Zinn logo 200px wide for checkout page")](https://blog.zinn.bike/) - [Home](https://www.zinn.bike/) - [Contact Us](https://zinncycles.com/contact/) Open main navigation Close main navigation - [Home](https://www.zinn.bike/) - [Contact Us](https://zinncycles.com/contact/) # Technical FAQ: Indoor training sweat corrosion, stem raiser safety, lower gears with Campagnolo CT 11-speed TECHNICAL GUIDE # Technical FAQ: Indoor training sweat corrosion, stem raiser safety, lower gears with Campagnolo CT 11-speed 1 min read Nov 30, 2022 Lennard Zinn [velonews](https://blog.zinn.bike/tag/velonews) [ask lennard zinn](https://blog.zinn.bike/tag/ask-lennard-zinn) [technical q&a](https://blog.zinn.bike/tag/technical-qa) [technical faq](https://blog.zinn.bike/tag/technical-faq) [lennard zinn](https://blog.zinn.bike/tag/lennard-zinn) Nov 29, 2022, 10:04:49 PM [Lennard Zinn](https://blog.zinn.bike/author/lennardzinn) Share: [facebook-f icon](http://www.facebook.com/share.php?u=https://blog.zinn.bike/technical-faq-indoor-training-sweat-corrosion-stem-raiser-safety-lower-gears-with-campagnolo-ct-11-speed) [linkedin-in icon](http://www.linkedin.com/shareArticle?mini=true&url=https://blog.zinn.bike/technical-faq-indoor-training-sweat-corrosion-stem-raiser-safety-lower-gears-with-campagnolo-ct-11-speed) [Twitter icon](https://twitter.com/intent/tweet?url=https://blog.zinn.bike/technical-faq-indoor-training-sweat-corrosion-stem-raiser-safety-lower-gears-with-campagnolo-ct-11-speed) [pinterest-p icon](http://pinterest.com/pin/create/link/?url=https://blog.zinn.bike/technical-faq-indoor-training-sweat-corrosion-stem-raiser-safety-lower-gears-with-campagnolo-ct-11-speed) [envelope icon](mailto:?body=https://blog.zinn.bike/technical-faq-indoor-training-sweat-corrosion-stem-raiser-safety-lower-gears-with-campagnolo-ct-11-speed) ![Technical FAQ: Indoor training sweat corrosion, stem raiser safety, lower gears with Campagnolo CT 11-speed](https://blog.zinn.bike/hubfs/Imported_Blog_Media/GettyImages-1222781910.jpg) Keeping your bike on the trainer all the time doesn't make it maintenance free. Read the full article at [Technical FAQ: Indoor training sweat corrosion, stem raiser safety, lower gears with Campagnolo CT 11-speed](https://www.velonews.com/gear/tech-wearables/technical-faq-indoor-training-sweat-corrosion-stem-raiser-safety-lower-gears-with-campagnolo-ct-11-speed/) on [VeloNews.com](https://www.velonews.com/). [velonews](https://blog.zinn.bike/tag/velonews), [ask lennard zinn](https://blog.zinn.bike/tag/ask-lennard-zinn), [technical q&a](https://blog.zinn.bike/tag/technical-qa), [technical faq](https://blog.zinn.bike/tag/technical-faq), [lennard zinn](https://blog.zinn.bike/tag/lennard-zinn) LE ##### Written by Lennard Zinn As a frame builder, Lennard Zinn has been designing and building custom bicycles for over 42 years; he founded [Zinn Cycles](https://zinncycles.com/) in 1982 and co-founded [Clydesdale Bicycles](https://bikeclydesdale.com/) in 2017. His [Tech Q&A column on Substack](https://lennardzinn.substack.com/) follows his 35-year stint as a [technical writer for VeloNews](https://velo.outsideonline.com/byline/lennard-zinn/) (from 1987 through 2022). He is a former U.S. National Cycling Team member and author of many bicycle books including [Zinn and the Art of Mountain Bike Maintenance](https://www.bigandtallbike.com/copy-of-zinn-the-art-of-mountain-bike-maintenance.html), [Zinn and the Art of Road Bike Maintenance](https://www.bigandtallbike.com/copy-of-zinn-the-art-of-road-bike-maintenance-5th.html), and [The Haywire Heart](https://www.bigandtallbike.com/the-haywire-heart-paperback.html). He holds a bachelor’s degree in physics from Colorado College. 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