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BMC 4 Stroke Seattube Repair

There’s always the temptation to let out just a liiiittle bit more pressure from your tires and shock when mountain biking. Sometimes, we cross that line and let out too much; you burp a tire, you bottom out your shock, or worse…you rub the back of your seat tube with your tire. A seat tube-tire-rub situation is what caused this BMC 4 Stroke to have to come into the shop. It was a pretty deep gouge through several layer of carbon, so it was certainly a zone of serious concern for us.

Seattube repairs are some of the most common repairs we perform; they require immense patience when removing the damage, an accurate layup, and usually an interesting way of extracting the resin from the laminate. At Ruckus Composites, we pride ourselves on quickly and safely repairing carbon fiber bike frames. It is our continuing mission to use carbon fiber repair to challenge the status quo of both the bike industry and throwaway culture by keeping good bikes and their memories rolling.

Our proven carbon fiber bike repair process goes like this: first, we inspect the damaged area, using ultrasound technology, and removing all the guesswork from the repair. The detailed info we gather helps us provide an incredibly accurate repair with fewer materials needed, which makes a quicker turn time for you! Next, we remove all the damaged materials from the seattube, which guarantees no further cracking. We then replicate the factory lay-up using our high-end prepreg carbon fiber and cast the area with heat and pressure to remove the epoxy. Finally, we send the bike to our master painter who expertly matches both the paint and decals of the original frame.

Carbon fiber bike repairs are delicate and time-consuming art, in which we perform every step by hand. Have a BMC with a broken or cracked part? Submit a repair form today to get started with your repair. We can fix it for you! Submit a repair form here!

Have a broken bike? Here's where you start the repair process.