We consider a giant defy seatpost clamp to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best giant defy seatpost clamp for you.

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Our Top Picks:

Best Overall: Buy: Wolf Tooth Components Giant Defy Seatpost Clamp READ REVIEW

Best With Fast Shipping: Buy: Onipax Giant Defy Seatpost Clamp READ REVIEW

Best For Mountain Bikes: Buy: Odier Giant Defy Seatpost Clamp READ REVIEW

Best Carbon Fiber Design: Buy: Corki Giant Defy Seatpost Clamp READ REVIEW

Best For Quick Changes: Buy: Ventura Giant Defy Seatpost Clamp READ REVIEW

Best For Tight Fit: Buy: Zoom Giant Defy Seatpost Clamp READ REVIEW

Best For Good Finish: Buy: Gub Giant Defy Seatpost Clamp READ REVIEW

Best For Stationary Bike: Buy: Deer U Giant Defy Seatpost Clamp READ REVIEW

Best With Premium Material: Buy: Winomo Giant Defy Seatpost Clamp READ REVIEW

Best For Carbon Frame: Buy: Silverock Giant Defy Seatpost Clamp READ REVIEW

Best With Most Road Bikes: Buy: Motbach Giant Defy Seatpost Clamp READ REVIEW

Best For Track Bike: Buy: Kasteco Giant Defy Seatpost Clamp READ REVIEW

Best Overall: Wolf Tooth Components Giant Defy Seatpost Clamp

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The Wolf Tooth Components Giant Defy Seatpost Clamp includes a spherical washer and mates with a cylindrical anchor barrel. The seatpost clamp should match the diameter of the seat tube on your frame and not the diameter of the seatpost itself. And, this set out to build a clamp that would balance security and light weight without resorting to aluminum threads or undersized hardware. Lastly, the wolf tooth components giant defy seatpost clamp is available in a total of 8 different colors: silver, purple, black etc., so, it's likely one of your favorites is in the mix.

Almost all customers found that the clamp has many different clamp diameters, and one will fit your bike. Moreover, they also found that the clamp needs to be a little bigger than the downtube in order to fit over it. In short, buyers found this to be one of the best clamps for daily purposes.

• Lightweight 6061 t6 aluminum, m5 stainless steel bolt with integrated washer.
• The threaded bolt enters the hole at an angle and strips the threads.
• New and hot releases.

Best With Fast Shipping: Onipax Giant Defy Seatpost Clamp

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The Onipax Giant Defy Seatpost Clamp is specially designed for your daily purpose and has all useful features. The onipax giant defy seatpost clamp fits perfectly, is great with good service and it is blue. Make sure this fits by entering your model number. And, it worked perfectly, priced right, it has a folding bike and has a great design.

Most importantly, the onipax giant defy seatpost clamp fits perfectly. is great with fast shipping and it is very nice.

Almost all customers agree that the clamp is easy to install with an extra set of hands to stabilize. Further, they also found that the clamp is priced at least 50% cheaper than most other saddles.

• This is ancient technology, so there's nothing surprising to report here.
• This is a clamp that attaches to a rail seat.
• This works perfectly, it is easy to use and has a good design.

Best For Mountain Bikes: Odier Giant Defy Seatpost Clamp

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Odier is known for creating pragmatic and minimalist clamps for people on the go, and its line of Odier Giant Defy Seatpost Clamps definitely falls in line with that reputation. The odier giant defy seatpost clamp is secure and it is easy to use. The Manufacturer says: Each odier bike seat clamp is polished for more than 20 hours to create the beautiful curve edges, When you compare odier clamps with our competitors' you will find the big difference in details. And, the clamp fits perfectly and it has a great seat.

The clamp saves time, closes easily, it is easily adjustable and has a carbon fiber design. Above all, the odier giant defy seatpost clamp is smooth to operate, allows for very good quality, It is with fast shipping and has a good design.

Almost all customers found that the clamp is easy to adjust to get the right tension on the seat post. And, they also found that the clamp fits giant seat tubes and will expand larger than that. Further, they strongly agree that the 34.9 mm clamp does not have a lip on it as shown in the picture. Overall, many have used the clamp for more than a few months without any problems, and it shows no sign of giving up.

• This is easy to generate enough tension to hold the seat firmly in place.
• This clamp has an inside diameter range of about 308.
• This is easy to install and it does what it is designed to.
• This works for post opening that is 31.

Best Carbon Fiber Design: Corki Giant Defy Seatpost Clamp

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The Corki Giant Defy Seatpost Clamp's superior materials makes sure that it ages well with use. The corki giant defy seatpost clamp is used for mountain biking, is comfortable, it comes with great quality and has a hollow design. The Manufacturer says: We would recommend that you remove your old seat post clamp and measure the frame external seat tube diameter to give the size required. Further, the clamp functions perfectly and has an ergonomic design.

Lastly, the corki giant defy seatpost clamp fits perfectly, It is blue and has a good design.

One customer says - "The seat post collar far surpassed the original. ". Almost all customers agree that the clamp will last a long time.

• Apply to a diameter of 30.2 mm to 32.1 mm bicycle frame seat post.
• Aluminium alloy bike seat clamp,sandblasting anodizing surface.
• Ergonomic design,extended lever, more efficient and comfortable qr seatpost clamp.
• Hollow design ,retain strength,and keeps it lightweight approx 40g.

Best For Quick Changes: Ventura Giant Defy Seatpost Clamp

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate clamp. The Ventura Giant Defy Seatpost Clamp is exactly that - it's a simple clamp that hits all the right notes. The ventura giant defy seatpost clamp is very nice, it works fine and has a good shape. Make sure this fits by entering your model number. Also, the clamp is secure, fits well and it is easy to use. Most importantly, the ventura giant defy seatpost clamp worked perfectly and it allows for easy installation.

Almost all customers agree that the clamp is made for bicycles that use the old bolt and nut configuration that is a pain. Also, they also found that the clamp is easy to switch out from a regular pin. In addition, a few say that this seat - quick - release pin makes changing seat height a breeze.

• Size: 6 x 55mm, usable length of 30 mm.
• This adds an extra measure of security in addition to an u-lock.
• This is a metric thread and is an m6.

Best For Tight Fit: Zoom Giant Defy Seatpost Clamp

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The best part: Zoom Giant Defy Seatpost Clamp costs comparatively low and it is available to ship in 24 hours. The zoom giant defyseatpost clamp worked awesome, has only 43 grams and it is designed for a tight fit. Make sure this fits by entering your model number. And, it fits perfectly and it looks great. Finally, the zoom giantdefy seatpostclamp fits perfectly and it looks good.

Almost all buyers opine that the clamp fits well and does the job as intended. Moreover, they strongly agree that the clamp is perfect and the quick release is solid. And, a few say that the sizing of this clamp is based on its internal diameter.

• Only 43 grams and is 35.0 mm.
• Good brand reputation.

Best For Good Finish: Gub Giant Defy Seatpost Clamp

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If you often find yourself confused about convenient and suitable clamp, Gub giant defy seatpost clamp should be your first option for buying. The Gub Giant Defy Seatpost Clamp feels secure, looks good, It is great for track bike and has a hollow design. Aluminum quick release bike seat clamp.strong sleek retaining bolts. Specification These aluminium quick release seat post clamps are fantastic value and light weight due to the cnc machined design.

Above all, the gub giant defy seatpost clamp has a tube clip, It is built with great quality and has a durable design.

Most customers quickly discovered that the clamp is designed to stay tucked out of the way, and the shape of the lever on this one is “hand friendly” too. Moreover, they also found that the clamp works for a Raleigh Tristar bike. In addition, they say that this clamp is tightened by a lever, easy to open and close to adjust seat height. So, buyers were eager to recommend it to friends and would-be buyers.

• This is secure, is built with aluminum alloy, it looks great and has a great design.
• This is highly recommend, works perfectly, it is very helpful and has an excellent design.
• This has a folding bike and has a lightweight design.
• Strong sleek retaining bolts ensure it to be double sturdy and firm.

Best For Stationary Bike: Deer U Giant Defy Seatpost Clamp

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The Deer giant defy seatpost clamp has killer features for the price point. The Deer U Giant Defy Seatpost Clamp is secure and it comes with aluminum alloy. It allows you to adjust the seat height quickly and easily without tools. Further, this is suitable for stationary bike and other equipment like drill press vise, ryobi etc.do not compatible with most 25.4mm/31.8mm.34.9mm bike seat clamp. Above all, the deer giant defy seatpost clamp worked perfectly and it looks good.

Most buyers opine that the clamp works well for drill press vice clamp. Further, they strongly agree that the clamp has held up well so far. Also, they strongly agree that the clamp is used for qr on a greenspeed trike boom. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

• Smooth cam action lever. Extruded cnc machined alloy nut.
• This is superior to the other parts.
• Uality quick release anodised alloy seat clamp skewer.
• The original clamp used a twist on screw with an integrated nut that stripped.

Best With Premium Material: Winomo Giant Defy Seatpost Clamp

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The Winomo giant defy seatpost clamp is long-lasting, rigid and fits well with your regular use like a dream. The Winomo giantdefy seatpostclamp is easy and convenient to install and use. The Uick release lock design makes it a great tool for you when cycling. Moreover, it is specially designed for fixedgear and road cycling.

Lastly, the Winomo giant defyseatpost clamp is blue, It is made with aluminum alloy and has a durable design.

Most customers opine that the clamp will fit a seat tube with a 28.6mm outside diameter.

• You can adjust the clamp on the way even without any other tools.
• This is manufactured with premium material for durable and long - lasting use.
• Size: about 7 * 5 * 1cm/2.76 * 1.97 * 0.39inch.
• The quick release lock design makes it a great tool for you when cycling.

Best For Carbon Frame: Silverock Giant Defy Seatpost Clamp

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The Silverock line of clamps comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. Next on the list, we've got yet another clamp that manages to win our hearts. It's the Silverock giant defy seatpost clamp and it's widely considered as one of the most convenient clamps you can buy. Lastly, the Silverock Giant Defy Seatpost Clamp is available in 2 attractive colors: black and red.

They say that this dual clamp provides vastly improved clamping without ever coming close to over torquing the bolt.

• Lot of satisfied buyers.
• One of the newcomers and featured product.

Best With Most Road Bikes: Motbach Giant Defy Seatpost Clamp

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Not everyone likes to purchase clamps for their regular use, but the Motbach Giant Defy Seatpost Clamp would be an anomoly. The motbach giant defy seatpost clamp is comfortable and has a lightweight design. Make sure this fits by entering your model number. Also, the clamp is compatible with most road bikes, mountain bikes.

Most importantly, the motbach giant defy seatpost clamp is more efficient, It is designed for standard size and has an ergonomic design.

• You will get 4 packs of black bicycle alloy seat clamps.
• Product feature: smooth cam action lever, ergonomic design, extended handle, more efficient and comfortable.
• Fit for: standard size compatible with most road bikes, mountain bikes.
• This is made of aluminum material, lightweight and easy to carry.

Best For Track Bike: Kasteco Giant Defy Seatpost Clamp

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If you want nothing but the most reliable clamp, then Kasteco giant defy seatpost clamp is the one you should definitely consider. The Kasteco Giant Defy Seatpost Clamp fits on the mtb and it is designed for track bike. Make sure this fits by entering your model number. In addition, it is secure, has a folding bike, it is constructed with aluminum alloy and has a hollow design. Finally, the kasteco giant defy seatpost clamp is suitable for a diameter of 27.2mm, 28.6mm bike seat post.

• Package included: 4 x bike seatpost clamps, 1 x hex key.
• Easy to install: simply secure with a 4mm allen (hex) head key.
• Material: aluminum alloy, hollow lever design and rust-resistant high quality retaining bolt.
• Diameter 31.8mm suitable for a diameter 27.2mm, 28.6mm bike seat post.