1. Trek 7.1 fx Hybrid with 700 x 35c 2. Btwin Fitness 1 ( Hybrid with 650 x 23 tyres) Both have the same stem size as in 1 1/8 threadless and 25.4 clamp size.
The Btwin comes with a stem of 90 mm / 10 degree bend and the Trek comes with 90mm / 15 degree bend.
I was having reach issues on the btwin fitness 1 and have swapped the stems, the comfort is better on the btwin now with the 15 degree rise. The trek is perfect with any of the stems.
On first look of the stems, the Trek stem looks more solid and stout whereas the btwin stem looks a little delicate. The Trek stem bolts are 6mm and the btwin bolts are 5mm.
my question is : is the btwin stem which is now fixed on the trek strong enough or durable enough ? I am a novice at this , so certainly would need some advice ! I was just a little concerned about the Trek being compromised in strength and quality. rgds
Hi !I have 2 bikes 1. Trek 7.1 fx Hybrid with 700 x 35c2. Btwin Fitness 1 ( Hybrid with 650 x 23 tyres)Both have the same stem size as in 1 1/8 threadless and 25.4 clamp size.The Btwin comes with a stem of 90 mm / 10 degree bend and the Trek comes with 90mm / 15 degree bend.I was having reach issues on the btwin fitness 1 and have swapped the stems, the comfort is better on the btwin now with the 15 degree rise. The trek is perfect with any of the stems. On first look of the stems, the Trek stem looks more solid and stout whereas the btwin stem looks a little delicate. The Trek stem bolts are 6mm and the btwin bolts are 5mm. my question is : is the btwin stem which is now fixed on the trek strong enough or durable enough ? I am a novice at this , so certainly would need some advice !I was just a little concerned about the Trek being compromised in strength and quality.rgds
You are good to go. Don't worry both stems are stout enough. I know of no issues with stems failing so long as you followed the manufacturers torque requirements the bolts should not fail.
You stated you were a novice so I might question your headset tension. You might want to have someone check it out. Any one that knows can check it by feel.
It's all fun and games until your stem snaps and the fork steerer tube is pressed very violently into your neck...
... either that or you could do a "Hincape" and suffer a steerer tube failure and go over the bars.
It could be worse... If you over torque already damaged carbon bars you could have one side of the handlebar fail mid ride. You fall goofily to one side and stuff your hand in the front wheel at speed before grinding your face off on the chip 'n seal road surface. In this instance you could also suffer the fate of an "intrashortramectomy" where the testicles are forced into the abdominal cavity with great vengence and furious anger, as Jules would say.
It's all fun and games until your stem snaps and the fork steerer tube is pressed very violently into your neck...
... either that or you could do a "Hincape" and suffer a steerer tube failure and go over the bars.
It could be worse... If you over torque already damaged carbon bars you could have one side of the handlebar fail mid ride. You fall goofily to one side and stuff your hand in the front wheel at speed before grinding your face off on the chip 'n seal road surface. In this instance you could also suffer the fate of an "intrashortramectomy" where the testicles are forced into the abdominal cavity with great vengence and furious anger, as Jules would say.
It's unlikely in my mind that the OP would be stressing his stems on hybrid bikes like you do on your race bikes, but you do make good points about the need to be careful with fasteners and using "already damaged" CF anything. Seriously, your vivid description would lead one to believe this actually happened to you.......
buy cheap stems until you're happy with the fit and don't worry about them.
then, when you've got a $100 to blow, go buy a thompson of the same measurements. then your worries will be gone. 'less yer nuts or something.
...Thomson or any of many brands of stems that are every bit as good as Thomson and may even be less expensive....or more expensive. Thomson is only one brand. Of course, if the OP were smart and needed a new stem, he'd get one of the right length and correct rise, from any of a number of manufacturers that make such a configuration. It be pretty stupid to buy Thomson if they didn't have one with the correct rise for a given rider.
