--- title: Custom electric mountain bike with Sram AXS Eagle description: "We recently built this custom titanium electric mountain bike for a local Boulder cyclist who is 6'4\", but with extremely long legs." image: https://blog.zinn.bike/hubfs/Imported_Blog_Media/Zinn-eMTB-bessette-AXS-3-2-scaled.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/) # Custom electric mountain bike with Sram AXS Eagle TECHNICAL GUIDE # Custom electric mountain bike with Sram AXS Eagle 5 min read Jan 25, 2021 nick [mountain bikes](https://blog.zinn.bike/tag/mountain-bikes) [Uncategorized](https://blog.zinn.bike/tag/uncategorized) [custom cranks](https://blog.zinn.bike/tag/custom-cranks) [e-bikes](https://blog.zinn.bike/tag/e-bikes) Jan 25, 2021, 12:13:40 PM [nick](https://blog.zinn.bike/author/nick) Share: [facebook-f icon](http://www.facebook.com/share.php?u=https://blog.zinn.bike/custom-electric-mountain-bike-with-sram-axs-eagle) [linkedin-in icon](http://www.linkedin.com/shareArticle?mini=true&url=https://blog.zinn.bike/custom-electric-mountain-bike-with-sram-axs-eagle) [Twitter icon](https://twitter.com/intent/tweet?url=https://blog.zinn.bike/custom-electric-mountain-bike-with-sram-axs-eagle) [pinterest-p icon](http://pinterest.com/pin/create/link/?url=https://blog.zinn.bike/custom-electric-mountain-bike-with-sram-axs-eagle) [envelope icon](mailto:?body=https://blog.zinn.bike/custom-electric-mountain-bike-with-sram-axs-eagle) \[fusion\_builder\_container hundred\_percent="no" hundred\_percent\_height="no" hundred\_percent\_height\_scroll="no" hundred\_percent\_height\_center\_content="yes" equal\_height\_columns="no" menu\_anchor="" hide\_on\_mobile="small-visibility,medium-visibility,large-visibility" status="published" publish\_date="" class="" id="" border\_color="" border\_style="solid" margin\_top="" margin\_bottom="" padding\_top="" padding\_right="" padding\_bottom="" padding\_left="" gradient\_start\_color="" gradient\_end\_color="" gradient\_start\_position="0" gradient\_end\_position="100" gradient\_type="linear" radial\_direction="center center" linear\_angle="180" background\_color="" background\_image="" background\_position="center center" background\_repeat="no-repeat" fade="no" background\_parallax="none" enable\_mobile="no" parallax\_speed="0.3" background\_blend\_mode="none" video\_mp4="" video\_webm="" video\_ogv="" video\_url="" video\_aspect\_ratio="16:9" video\_loop="yes" video\_mute="yes" video\_preview\_image="" filter\_hue="0" filter\_saturation="100" filter\_brightness="100" filter\_contrast="100" filter\_invert="0" filter\_sepia="0" filter\_opacity="100" filter\_blur="0" filter\_hue\_hover="0" filter\_saturation\_hover="100" filter\_brightness\_hover="100" filter\_contrast\_hover="100" filter\_invert\_hover="0" filter\_sepia\_hover="0" filter\_opacity\_hover="100" filter\_blur\_hover="0" type="legacy"\]\[fusion\_builder\_row\]\[fusion\_builder\_column type="1\_1" layout="1\_1" spacing="" center\_content="no" link="" target="\_self" min\_height="" hide\_on\_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" hover\_type="none" border\_color="" border\_style="solid" border\_position="all" border\_radius="" box\_shadow="no" dimension\_box\_shadow="" box\_shadow\_blur="0" box\_shadow\_spread="0" box\_shadow\_color="" box\_shadow\_style="" padding\_top="" padding\_right="" padding\_bottom="" padding\_left="" margin\_top="" margin\_bottom="" background\_type="single" gradient\_start\_color="" gradient\_end\_color="" gradient\_start\_position="0" gradient\_end\_position="100" gradient\_type="linear" radial\_direction="center center" linear\_angle="180" background\_color="" background\_image="" background\_image\_id="" background\_position="left top" background\_repeat="no-repeat" background\_blend\_mode="none" animation\_type="" animation\_direction="left" animation\_speed="0.3" animation\_offset="" filter\_type="regular" filter\_hue="0" filter\_saturation="100" filter\_brightness="100" filter\_contrast="100" filter\_invert="0" filter\_sepia="0" filter\_opacity="100" filter\_blur="0" filter\_hue\_hover="0" filter\_saturation\_hover="100" filter\_brightness\_hover="100" filter\_contrast\_hover="100" filter\_invert\_hover="0" filter\_sepia\_hover="0" filter\_opacity\_hover="100" filter\_blur\_hover="0" last="true" border\_sizes\_top="0" border\_sizes\_bottom="0" border\_sizes\_left="0" border\_sizes\_right="0" first="true"\]\[fusion\_text columns="" column\_min\_width="" column\_spacing="" rule\_style="default" rule\_size="" rule\_color="" content\_alignment\_medium="" content\_alignment\_small="" content\_alignment="" hide\_on\_mobile="small-visibility,medium-visibility,large-visibility" sticky\_display="normal,sticky" class="" id="" margin\_top="" margin\_right="" margin\_bottom="" margin\_left="" font\_size="" fusion\_font\_family\_text\_font="" fusion\_font\_variant\_text\_font="" line\_height="" letter\_spacing="" text\_color="" animation\_type="" animation\_direction="left" animation\_speed="0.3" animation\_offset=""\] This was a really cool project. We recently built this [custom titanium electric mountain bike](https://zinncycles.com/product/ezinn-custom-ebike/) for a local Boulder cyclist who is 6'4", but with extremely long legs. His legs were as long as the average 6'9" customer but his torso was similar to someone who is 6'2". This posed a very interesting design challenge, and on top of that, he needed a very upright riding position to keep his neck and back comfortable. Instead of building the bike with a super long head tube and a custom suspension fork with extra long steering tube, we used the new Fox 38 e-bike optimized 180mm [travel fork](https://www.bigandtallbike.com/Forks_c_60.html) to help get the front end high enough for the rider to be comfortable. \[/fusion\_text\]\[fusion\_imageframe image\_id="1978|large" max\_width="" style\_type="dropshadow" blur="" stylecolor="" hover\_type="none" bordersize="" bordercolor="" borderradius="" align="center" lightbox="no" gallery\_id="" lightbox\_image="" lightbox\_image\_id="" alt="" link="" linktarget="\_self" hide\_on\_mobile="small-visibility,medium-visibility,large-visibility" class="" id="" animation\_type="" animation\_direction="left" animation\_speed="0.3" animation\_offset=""\]https://zinncycles.com/wp-content/uploads/2021/01/Zinn-eMTB-bessette-AXS-1-1024x788.jpg\[/fusion\_imageframe\]\[fusion\_text columns="" column\_min\_width="" column\_spacing="" rule\_style="default" rule\_size="" rule\_color="" content\_alignment\_medium="" content\_alignment\_small="" content\_alignment="" hide\_on\_mobile="small-visibility,medium-visibility,large-visibility" sticky\_display="normal,sticky" class="" id="" margin\_top="" margin\_right="" margin\_bottom="" margin\_left="" font\_size="" fusion\_font\_family\_text\_font="" fusion\_font\_variant\_text\_font="" line\_height="" letter\_spacing="" text\_color="" animation\_type="" animation\_direction="left" animation\_speed="0.3" animation\_offset=""\] To get the most out of having an e-bike, this customer decided to go with the Sram AXS Eagle wireless electronic components including the wireless Rockshox Reverb AXS dropper seat post. This means the only wires along the frame are the hydraulic brake hose. The wireless electronic system provides a super clean look and the most precise shifting of any component group.  The [Cranks](https://zinncycles.com/custom-cranks/) on this bike are also built proportional to the tall rider and they are 205mm long so his long legs can get better power and efficiency from pedaling. \[/fusion\_text\]\[fusion\_images picture\_size="auto" hover\_type="none" autoplay="yes" columns="3" column\_spacing="13" scroll\_items="" show\_nav="yes" mouse\_scroll="no" border="yes" lightbox="yes" hide\_on\_mobile="small-visibility,medium-visibility,large-visibility" class="" id=""\]\[fusion\_image image="https://zinncycles.com/wp-content/uploads/2021/01/Zinn-eMTB-bessette-AXS-3-1024x683.jpg" image\_id="1980|large" link="" linktarget="\_self" alt="" /\]\[fusion\_image image="https://zinncycles.com/wp-content/uploads/2021/01/Zinn-eMTB-bessette-AXS-1-scaled.jpg" image\_id="1978" link="" linktarget="\_self" alt="" /\]\[fusion\_image image="https://zinncycles.com/wp-content/uploads/2020/10/Zinn-Ebike-Benioff-eMTB-WEB-12-1024x683.jpg" image\_id="1876|large" link="" linktarget="\_self" alt="" /\]\[fusion\_image image="https://zinncycles.com/wp-content/uploads/2020/10/Zinn-Ebike-Benioff-eMTB-WEB-09-1024x683.jpg" image\_id="1873|large" link="" linktarget="\_self" alt="" /\]\[/fusion\_images\]\[fusion\_text columns="" column\_min\_width="" column\_spacing="" rule\_style="default" rule\_size="" rule\_color="" content\_alignment\_medium="" content\_alignment\_small="" content\_alignment="" hide\_on\_mobile="small-visibility,medium-visibility,large-visibility" sticky\_display="normal,sticky" class="" id="" margin\_top="" margin\_right="" margin\_bottom="" margin\_left="" font\_size="" fusion\_font\_family\_text\_font="" fusion\_font\_variant\_text\_font="" line\_height="" letter\_spacing="" text\_color="" animation\_type="" animation\_direction="left" animation\_speed="0.3" animation\_offset=""\] The eZinn Mountain Bike is a performance oriented titanium [mountain e-bike](https://zinncycles.com/mountain-bikes/) that is built for serious riding. We are using the Bosch Generation 4 motor, which has 85nm of torque and 790W max power. For the mountain bikes we use the Performance line CX for increased torque vs the speed motor. Click here to read more about our custom [e-bikes](https://zinncycles.com/product/ezinn-custom-ebike/). \[/fusion\_text\]\[/fusion\_builder\_column\]\[/fusion\_builder\_row\]\[/fusion\_builder\_container\] [mountain bikes](https://blog.zinn.bike/tag/mountain-bikes), [Uncategorized](https://blog.zinn.bike/tag/uncategorized), [custom cranks](https://blog.zinn.bike/tag/custom-cranks), [e-bikes](https://blog.zinn.bike/tag/e-bikes) NI ##### Written by nick ## Related articles [View all blogs](https://blog.zinn.bike/) ### [![Plus-Size Cycling Clothing: Finding a Kit That Fits](https://blog.zinn.bike/hubfs/plus-size-cycling-clothing.webp) Plus-Size Cycling Clothing: Finding a ... The right bike can transform your ride, but so can the right clothing. If your jersey rides up, your bib shorts chafe, ... 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