Fatbikes on Donner

Testing_efatsThese are my two fatbikes. I was going to blab on about how different they are on dirt vs. snow and between eachother on the two mediums, but i decided I need more data. So for now, here are some photos from last weekend’s ride up on Donner Pass. I took both bikes up and rode the same loop twice, mostly (except for the big hike a bike up Andesite Pk).  There’s two ways to go from the North side of Donner Pass — the snowmobile trail to the left, or the ski/hike/snowshoe trail/s to the right.  I headed left as it was probably more packed from the snowmachines.  Also, with the Pacific Crest Trail along the right route, I didn’t know if it was legal to travel on that route with the bike.  A bit slushy and warm for the bike but turned out to be a great few hours of riding.

v1 geometry is 70/73 head tube/seat tube angles, 94mm trail, 683mm front center, 467mm chainstay length.

v2 geometry is 68/72 head tube/seat tube angles, 100mm trail, 715mm front center, 430mm chainstay length.

eFat v1
eFat v1
Yep, that's right.
eFat v2
View towards Sugar Bowl
View towards Sugar Bowl
Not sure this peak's name. Snowmobile trail on the backside of Andesite.
Not sure this peak’s name. Snowmobile trail on the backside of Andesite.
Castle Peak view.
Castle Peak view. The turns I got a couple of weeks ago were about dead center of this shot.
Always need a little hike a bike.
Always need a little hike a bike. Hiking up to Castle Pass from the backside of Andesite where the snowmobile trail dropped off the side of a hill into the drainage.
Topped out at Andesite Pk.
Topped out at Andesite Pk. Pretty good HAB getting up here from Castle Pass. The right way to get up here was the way I went down obviously (seen ahead of my front wheel).
First fatbike descent of Andesite...? I'm calling it.
First fatbike descent of Andesite…? I’m calling it.

3 thoughts on “Fatbikes on Donner

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  1. Yes, which did you find the best for sloppy conditions as fat biking conditions are so variable.

    1. Jay, I feel like v2 is better for loose sloppy conditions. With the rear wheel tucked under your butt more I feel like it’s easier to get traction and maneuver the bike (need to manhandle in spots!). The slack hta and longer front center are nice in that the front wheel doesn’t respond to every minor body input and take you off track. With a steeper hta and lower trail I liked riding hardpack but not when I didn’t want the front wheel to wander and potentially take me off my line. This is completely counterintuitive to some but in soft conditions its a real effect. Like riding in sand, you want less weight on the front axle to clean it, otherwise you stop dead in your tracks.
      But on my current fatbike I shortened the front center and like it a lot better and have less washouts on the DH. A little more weight on the front helped (700 fc). It allows me to manhandle the bike better when it’s slippery climbing too.

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