Thomson x4 stem crack

Consider one of these bike stems from race face, thomson, renthal, or enve if youre looking to upgrade this necessary but often overlooked mountain bike component. If this has occurred and you continue using the stem, the entire handlebar clamping boss may tear or snap off. This is the only way to check if your stem has cracked in sympathy with the overpressure on the faceplate. Buy your thomson elite x4 oversized mtb stem stems from.

The thomson x4 stem allows you to realize the benefits of stiffer forks and stiffer 31. Made from a solid, onepiece block of 7000series aluminum, the x4 combines exceptional strength with light weight for durable, solid steering control to tame the toughest trails. I was just doing a normal xc ride and i go to wipe my bike down and i found a 2 in crack on the underside of them stem. Thomson elite x4 stem the design team for the new thomson 31.

So i was swapping bars and stems on a couple of my bikes and noticed a crack on one of my thomson stems. This stem has been used but it is still in great condition. I had a thomson mountain bike stem faceplace crack about 3 months ago in a similar manner. Read its strength, weaknesses, find deals and pricing. The design team for the new thomson x4 had a tough goal. The body of the stem is machined from one healthy chunk of 7000 series aluminum for the ultimate in stiffness and durability. The thomson x4 is stronger and 30 grams lighter than the thomson elite 25. It should not break being used by someone of my stature. X4 is absolutely the best combination of strength and weight available. Thomson is the state of the art in extruded aluminum the quality and craftsmanship is top notch. Severely disappointed in a product thats supposed to be unbreakable. This kit will only fit thomson elite x4 stems for 31. X4 offers precise steering and tracking for the ultimate in control while riding.

With two bolts instead of four it shaves grams but still provides similar stiffness to the mtb elite stem. A careless mechanic didnt use a torque wrench on the previous one i had and overtightened the stem clamp resulting in stress crack. Thomson x4 mountain stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. Thomson elite x4 stem can be used on either road or mountain bikes. Get access to exclusive discounts, the inside line on the latest gear, and personalized recommendations from our staff of avid riders. X2 offers precise steering, tracking, and more control while riding, all wrapped up in a beautiful design. So i did some searching and found others with the same failure. After today i think ill pull both stems off and put on something a little more robust. I ride x4 stems on both of my bikes and have never had issue 1. I had one of those thomson x2 stems develop a crack in the the top hole of the face plate, parallel to the bolt hole.

Bringing you an excellent combination of strength and low weight, thomson s elite x4 model is strong enough for downhill and enduro use, yet also light enough for cx and cyclocross riders too. Today, i search cracked thomson stem, and surprised with the result. The thomson x4 stem utilizes a more traditional split clamp design to save weight without sacrificing stability and control. They offer precise steering tracking and more control while riding all wrapped up in a beautiful design. One of the strongest stems in the industry, thomson stems are used by freeride and downhill riders with confidence. The thomson 35mm x4 stem allows you to realize the benefits of stiffer forks and stiffer 35mm bars. The elite x4 mountain stem is instantly recognizable because of thomson s legendary style, and with strength to spare, this stem is more than just a pretty face. Cen iso 42105 the thomson 35mm x4 is based on proven design. There are some very minor marks on it but there is no damage or wear that could affect performance anywhere. The x4 is absolutely the best combination of strength and weight available. Although they are stiff i think that there must be a problem with machined vs forged caps. Earn up to 10% back in moosejaw reward dollars on every order. Enduro and downhill riders can run thomson confidently, yet x4 is light enough for cross country and cyclocross. X4 offers precise steering and tracking for the ultimate i.

This is the only way to check if your stem has cracked in sympathy with the. Lighter than its predecessor by 30 grams, the x4 stem is also strong. The x2 features a lighter 2bolt handlebar clamp and is 50g lighter the thomson elite road stem. Ok for use with carbon bars always follow the mfrs.

Thomson x4 stem stem mtb ciclismo thom x4 90x10d bk 31. The face plate has cracked where the bottom bolt is located after a few hundred miles and it is showing cracking appearing where the top bolt is located. The thomson elite x4 stem grew out of the legacy of the thomson elite line. That was a tall order given the popularity of the elite models. Stems are available for mountain biking, road biking, and bmx. Tracking, and more control while riding, all wrapped up in a beautiful design. I dont know if this is relevant but its a good psa no matter what, but dont overtorque your bolts. Before it cracked, it creaked from day one and it was installed by a reputable bike shop that uses a torque wrench. Strong but lightweight, thomson stems create the ultimate riding experience.

The thomson x4 is the leader in strength and stiffness. The x4 stem comes with a 3year warranty from the manufacturer. X4 offers precise steering, tracking, and more control while riding, all wrapped up in a beautiful design. Its underneath the stem in the steerer clamp cracked thomson x4 stem. Theyve done it though the new x4 is stronger and lighter than before. Out of a bunch of carbon and alloy stems, the thomson x4 took second overall being bested only slightly the shimano pro vibe sprint version seen on. They offer precise steering, tracking, and more control while riding, all wrapped up in a beautiful design. The new thomson x4 for mountain and road allow you to realize the benefits of stiffer forks and stiffer 31. Hope the aluminium isnt too softtorque parameters arent too highlystrung. The legendary thomson elite in a downsized clamp version for road use.

Mizek thomson sets the standard for quality and performance for stems and this one is no exception. The ultimate moneynoobject mountain bike stem choice for most people we asked, thomson s x4 really is an elite piece. The x4 features a sculpted stem, sleek clamp bolts, and is made with 7000series aluminum alloy to ensure torsional stiffness and precise steering. The thomson x2 road stem allows you to realize the benefits of stiffer forks and stiffer 31. Its underneath the stem in the steerer clamp area, see pictures.