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THUMM'S Bike and Clock Shop

Yes, we are open!

  No appointment needed for either new bike sales or repairs.  We now have 20" inner tubes in stock! (plus most other sizes)

Our current hours:  9:30-5:00 Tuesday - Friday, 9:30-3:00 Saturday.  Closed Sunday and Monday.  We will be closed Saturday, July 4th, for the holiday.  

In working to adhere to social distancing, we are limiting the number of people in our building to 1-2 customers/families at a time.  Face masks are required in the building.  

We are conducting as much business as possible outdoors so, if we don't see you, please knock on the door and we'll come out.  

Please call us for current availability on any bike on our or Trek's/Electra's website.  Many models are sold out and are on backorder until late summer or beyond.    

Thank you for your business, and your patience!  

Bike shop in Warren celebrates over 100 years

August F. Thumm's mother, discouraged her son was working as a plumber for less than three cents an hour, recommended he consider a different line of work - maybe something with mechanical devices because of his fondness for tinkering and skill with his hands.

Augie Thumm, August's grandson, said his granddad always had an affinity for motorcycles and bicycles, and taking his mother's advice, August F. Thumm went into business with his brother, Karl, selling Harley-Davidson motorcycles, bicycles and tires.

Our Mechanics Are Ready For You!


We specialize in expert bicycle repair. From old dust-covered rigs to custom dream machines, simply bring your bike by and we'll get it running right again!