Here's a video of someone who did a BBSHD on a Dicks Sporting Goods Raised chainstay bike. A 3 speed Sturmey Archer IGH will make it stronger and simplify chainline and chainring size selection.The raised chainstay does make a belt drive Alfine 8 speed IGH a possibilty. The hard part for you may be getting it to go slow enough to ride in the woods. But it will probably be easier if you can run a 42t ring. How wide is the rear hub on that? I've personally only built a couple of older 26" TrekGF 26" bikes so others may know more than I do. Treks traditionally used a 73mm bottom bracket width. Whilst the Stache is a hardtail, its unique 29+ tyres with massive volume are paired with slacker geometry angles than you would regularly see on a hardtail, such as a 68.4-degree head angle, as well as crazy short 420mm chain stays (which are adjustable depending on wheel size and rider preference). Can a 42t ring clear the chainstay in all gears? I would try that first. The Trek Stache 7 is designed to be an alternative to a dual suspension trail bike in the 110-130mm travel range. Quality parts and regular maintainence and repalcement will be required. Chainrings smaller than 42T need to go outside the motor and may not be able to use the lower cogs. You need to investigate the chainline issue. Thanks in advance for any help you share! I just don't want to tear into my beautiful Stache 7 (The Green Goblin) only to find out the systems just don't work good together and have weaknesses that could leave me broken down in the woods. I am very good at bike mechanics and have plenty of tools and power equipment, so the technical side doesn't scare me. Here, you may find your childs next bike with our kids mountain bikes database. What chainring size would be best for a BBSHD? We offer resources and stories for mountain biking families.
The bike is part of Trek 's Stache range of mountain bikes. It sports 29' wheels, is priced at 1,810 USD, comes in a range of sizes, including 15.5, 17.5, 19, 21, has RockShox suspension and a SRAM drivetrain. Is the Trek unique raised chainstay an issue, or is it a benefit? The 2014 Trek Stache 7 is an Trail Aluminium / Alloy mountain bike. Specifically, is the 11-speed chain too weak and narrow to handle the BBSHD power? It seems the narrow 11/12 speed chains are often mentioned as not as strong as 10sp or 9sp chains. Looking at the specs and pic attached, is there anything you see that would make this bike NOT a good candidate for a Bafang BBSHD kit, like the kit Luna sells? So I have some questions I am hoping I could have answered or given advice on. I really like the upgrades I have done on this bike, but I am also smitten with eBike technology and capability, especially in my very hilly and mountainous Virginia location. Also dual-piston Shimano XT brakes and other mods. BOOST 36H hubs, Sapim spokes, and Easton rims. I have a 2017 Trek Stache 7 29+ (3" tires) that have a custom wheelset of White Bros.
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