The shop employee is wrong. It sounds like whomever you talked to is not familiar with converting a road bike with horizontal drops to a fixed gear road bike. Next time, you can use this opportunity to educate your mechanic. Bring in a friends bike, or print some photos to make it clear.
The shop employee is wrong. It sounds like whomever you talked to is not familiar with converting a road bike with horizontal drops to a fixed gear road bike. Next time, you can use this opportunity to educate your mechanic. Bring in a friends bike, or print some photos to make it clear.