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    Triathlon LAB

    3.9 (133 reviews)

    Services - Triathlon LAB

    Bike repair and maintenance

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    Broken inner cage RD7900

    This was my second time using Triathlon Lab's service department, and unfortunately, my experience was disappointing. The first time, I brought in two bikes and spent over $1,000 for upgrades, parts, and service. On one of the bikes, the shop attempted to charge me for a derailleur extender that was already installed before I ever brought the bike in. I had installed it myself when upgrading to a wider-range cassette. Since Triathlon Lab did not change the cassette, I'm still confused why they believed this was a part they added. I had to explain this to both the manager and mechanic before the charge was removed. After picking up the same bike, I immediately noticed another issue: the spacers between the two front chainrings were too wide, causing the chain to get stuck between them. I discovered this within two minutes of a simple test ride in the parking lot when the chain immediately became stuck Inbetween the front chain rings. Had the bike been properly test-ridden after service, this problem would have been obvious and could have been corrected before I arrived. The shop offered me a used 105 crank as a replacement and only charged me for labor which was appreciated. More recently, I had the shop install a set of carbon wheels on a different bike. Unfortunately, the same concern came up again. it does not appear that the bike was test-ridden after the work was completed. On my very first ride, while shifting into the lowest gear approaching a climb, the rear derailleur was pulled into the spokes and carbon fiber inner cage snapped. This is another issue that likely would have been caught with a quick gear check and test ride. I called the shop to explain what had happened and the mechanic said the bike had not been tested after the installation of the new carbon wheels because I had not requested a tuneup. This was true, but regardless, after changing anything that is critical to proper function of a bicycle, any good shop with test ride the bike to make sure nothing was wrong. The Mechanic offered to install replacement parts if I would bring them to the shop for free. However, the derailleur in question, a Dura ace RD 7900. Is no longer manufactured and finding replacement parts is very difficult. I ended up buying a "for parts" replacement and fixing the broken Derailleur myself. Their negligence cost me an additional $80 and weeks without the use of my bike. My cervelo is over 10 years old, hopefully they treat newer more expensive bikes with more time and attention. Based on these experiences, I don't feel confident returning for future service. If you do choose to use Triathlon Lab, I strongly recommend taking a careful test ride around the block afterward and checking the bike for full functionality yourself to ensure everything is working properly.

    Triathlon Lab decor
    Jairo V.

    Came in for a helmet and was quickly welcomed and assisted. They had a large selection to choose from and the worker helped me decide based on my cycling experience. Great spot!

    Comfy Shimanos
    Larry K.

    Been trying to get time to check this place out. Wife needed good shoes for her Peloton Bike...ordering online sucks. For starters...they show opening time 10am...we for there slightly early and they still welcomed us in. Jerry and Howie were friggen awesome! Very knowledgeable, personable, didn't try and sell her the most expensive shoe ...but the most appropriate shoe for her needs. Asked Jerry some questions about our daughters E-Bikes...they have a huge repair area. And damn their selection of bikes and accessories is astounding. Again...made us feel right at home ...very sincere and legit place. Will be back 4 sure.

    My Cervelo T3 tribike that the Trilab keeps in top racing condition.
    Chris T.

    Consistently one of the best triathlon stores in all of Southern California. As more and more bicycle shops and specialty bike shops close up or become harder to fine, Triathlon Lab has continued to hold its ground and serve the Triathlon community. If you're a triathlete, or thinking about getting into triathlons, these guys will guide you from beginner to elite as you grow with the sport. Highly recommend The shop. Not only will they do their best work. They will also fix whatever work was not done as well as it could've been to make sure that you were happy on your next training effort.

    Girls helmet

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    13 years ago

    A serious bike shop! No pretenses - Big brains!! Made my wife and son feel right at home.

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    11 years ago

    These guys are the best! They are extremely knowledgeable and always willing to answer every question you may have. Thanks tri lab!

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    10 years ago

    Very helpful and knowledgeable staff. Took my cycling bike bc the tires needed to be looked at. No appointment needed!

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    11 years ago

    Very happy with my new bicycle! They helped get it perfectly tuned to my height and riding style. Very helpful staff, thanks

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    Triathlon LAB Reviews in Other Languages

    Ask the Community - Triathlon LAB

    How much do you charge for bike fitting ? And tune up?

    Bicycle fitting is $100 per hour. A road bike generally takes 30 minutes to properly fit. A standard tune up is $95, plus replacing any worn out, or unsafe parts.

    Can I get a bike fit for a triathlon bike?

    Yes, a triathlon bike fit, and any bike fit, may be scheduled, and completed during normal business hours.

    Do you service / repair spin bikes?

    We have serviced Spin bikes, and continue to do so. Specific parts like resistance brake pads may need be ordered by consumer from Spin bike manufacturer.

    Don’t See Your Question? Ask Away!

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    Road Runner Sports

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    Shoutout to Ruben! He helped me curate the perfect shoe rotation tailored exactly to my running…read moregoals while keeping my feet completely protected. His expert advice led me to the New Balance FuelCell Rebel v5, Fresh Foam X 1080 v15, FuelCell SuperComp Elite v5, and recently Asics Superblast 3. This combination has given me the ultimate mix of speed, cushion, and race-day performance. If you want a personalized and knowledgeable setup ask for Ruben.

    Update: After I left this review (that I also left on Google), Road Runner Sports asked me to email…read morethem. I did, and I was later told that the Torrance manager and team had "touched base" with me, which is inaccurate. The only interaction I had with the store after my purchase was when I returned the same day to try to return the shoes. No one from the store ever contacted me afterward to follow up or try to resolve the issue. Unfortunately, no resolution was offered. Still the worse experience I've ever had. AWFUL AWFUL AWFUL. ---- Road Runner Sports started as a promising experience but turned into one of the most frustrating customer service situations I've had. I came in to buy running shoes, and the initial process seemed great. The associate scanned my feet (which was actually pretty cool), had me try insoles, and brought out three shoe options that fit my profile. However, communication was difficult, he was mostly mumbling, and I had to repeatedly ask him to clarify what he was saying. When I decided on a pair of ASICS, he immediately tried to upsell the insoles (around $120), even though I had only tried the shoes with those insoles, not with the original ones. That felt a bit misleading. At checkout, he also pushed the VIP membership, saying it would give me 90 days to try the shoes and return them if needed, making it sound like that flexibility depended on being a member. We declined. When I got home and tried to run in the shoes, I couldn't even last 90 seconds, they just didn't work for me. We called the store (using the number listed online) and were told that as long as the shoes looked brand new, we could return them. That gave us confidence to go back. Unfortunately, the in-store experience during the return was completely different. The associate told us: * The shoes did not qualify as "brand new" * We could not get a refund to the original payment method unless we were members * The only option was a gift card Then, again, we were offered the membership as a solution. The inconsistency between what we were told on the phone and what happened in-store, combined with the repeated upselling, made this a very frustrating experience. What started as a helpful, professional fitting ended with unclear policies and poor communication.

    FrontRunners

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    I have been looking for a new pair of running shoes for literal months. I pronate really bad and…read moredon't like a lot of forward tilt in my shoes so I've been struggling to find a good shoe that was comfortable and usable for walking, training, and light running. This was my first time at front runners and I'm so happy I decided to come in here! The staff were very helpful and knowledgeable and with their help I was finally able to find a shoe that works! I'm so happy with my purchase and recommend this store to anyone in Torrance looking for new running gear.

    DICK'S Sporting Goods

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    Triathlon LAB - bikes - Updated July 2026

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