Originally Posted by
big chainring
I would try some fat tires. Panaracer Pasela 27 x 1 1/4 run big compared to most 1 1/4" tires...I had some Pasela 1 1/4 tires and inflated them to 80-85 psi.
Copy that. I run Paselas on my bikes with 27" wheels and will doubly vouch for the config BC recommends.