Bike Repair July 2, 2026Bought a barely used Surly Ogre with a Sram NX crank and Advent-X derailleur. Any idea why something clunks and the chain loosens when I pedal backwards? Sorry about wind and road noise.
Bike Repair July 2, 2026Bike shop wants to heat and reshape my bent alloy Topstone rear triangle. Is this OK on aluminum?
