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Trek Bicycle Castro Valley

4.7 (473 reviews)
ModerateBikes
Closed 11:00 am - 6:00 pm

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Ask the Community - Trek Bicycle Castro Valley

How much you charge on shift/derailleur adjustment?

Hi Alvin you can check out our website or call the store and speak to one of our mechanics for an… Read more

Good afternoon any brakes available for emtb? Magura or shimano saints?

Hello. Please contact our store by phone or text at 510-881-5000. Thank you

How much do you charge for installing dropper post?

Thanks for the question. Best answered by calling and talking to a mechanic. Typically this will involve cutting to spec's based on your fit. You might already know the fit length to match your style, or need an assessment. 510-881-5000. Our… Read more

How much you charge for27.5 wheel make it tubeless?

Hi Alvin, the best way to answer this question is to call the shop - there may be some additional info needed to give you an accurate picture: 510-881-5000.… Read more

View All 6 Questions

Review Highlights - Trek Bicycle Castro Valley

Eden Bicycles had the brand of bike my son requested but I was absolutely lost on what model and size he needed.

Mentioned in 80 reviews

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Alameda Bicycle - White Industries Freewheels, Got that!

Alameda Bicycle

4.5(397 reviews)
10.1 mi
$$

WHAT WENT RIGHT?!? Everything. Not just today, when I came in with grease all over my hands and…read moreholding back my tears. Alameda Bicycle on Park Street is a part of the community, and I feel so honored to spend my money here. Gene, George and Crew are unmatched in the Bay Area. They sell mid-price range bikes, so no $300 bikes or $14,000 bikes. I bought my first new bike here after graduating from Cal, and got my first Wall Street bonus, moons ago. It was my dream bike, a black Cannondale, top of the line. After that, got married and had children and Gene saw me through training wheels through teenage years, then sadly through a divorce. Back in a bike and climbing mountains - loving life! Anyway, today, after trying all night to get my chain back on my new e-bike (not possible on the road) I walked in and George was at the door. He sensed my frustration and said, "Come on in." It wasn't an easy fix. But they worked on it, two guys 25 minutes, and 5 tools. Meanwhile, I walked into the showroom to check out the bikes (tee hee hee). Then I noticed a new coffee and tea station with a couch and chairs, and Madeline cookies. It's just what I needed after a frustrating night and morning trying to fix it myself. Such a mindful and kind touch. People easily complain, so positive heartfelt reviews are gold. Alameda Bicycle is a solid community member and business. Honest. If I don't need something, George will say, "You don't need that." Last time, I picked up some gorgeous Ortlieb panniers (which they installed) and a fix-a-flat for on the road flats. I forgot it on the counter -- it was here waiting for me when I returned a few weeks later. They only had my old digits! BTW, I didn't eat the last Madeline cookie. I saved it for you! Come and get it -- and remember to support these incredible bike angels. Super, super Good Vibes. The absolute best Alameda bicycle shop -- to me.

I came here in 2020 or 2021 to use their outside public bike tool station, but the air pump was…read morebroken or no longer available. One of the employees offered to let me borrow their floor pump. I was struggling to figure out how to use it, and the employee ended up helping me pump my bike tire. It's been years, but I still remember this kind gesture from one of their employees. It's hard to find parking around Park Street; it's convenient that they have four compact parking spots and one handicap accessible parking spot in their parking lot.

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Alameda Bicycle
Alameda Bicycle - New Bike Day!

New Bike Day!

Alameda Bicycle - Aaaah, just what I needed to calm my inferior bike mechanic skills. Hahaha

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Aaaah, just what I needed to calm my inferior bike mechanic skills. Hahaha

Trek Bicycle Castro Valley - bikes - Updated May 2026

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