Calvin's Corner

Mechanical musing and industry insights from Park Tool Director of Education Calvin Jones.

1 post found in April, 2012.

  • How to Build a Spearfish

    It has been 22 years since the Clark-Kent mountain bike was new (seen below, on the left). The time has come for an updated, contemporary machine, which in this case will be a Salsa Spearfish (on the right, still mud-free). At first glance you might think these bikes are for two different customers, but that is not the case, as both are mine. The Clark-Kent has a relatively low bottom bracket height compared to the Salsa. Saddle-to-pedal and saddle-over-bars dimension is nearly the same for both. However the larger 29er wheels and taller bottom bracket height give the illusion of two different fits.

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