What brake disks fit the DTR front wheel hub?
-
Try this place;
If you need a bigger disc on a DTR hub then you have to get one made for you. This is what I'll probably do with my 200WR front wheel when I can afford to go SM
-
@nottsbiker
i see, do you know how much that place takes to make disc? -
@stevie-wonder
Yeah the do look the same. Yz disc is bigger as well. I’ll have to check the bolt pattern... -
@arild The DTR uses an old hub from the YZ, which has an old school MX bolt pattern, used back in the 1980's. In short there are no other discs to run on the DTR, other than the stock size and bolt pattern. I searched for many hours trying to find discs which would fit and never found anything other than the stock size/bolt pattern. The discs listed above and better pads will improve braking power and reduce stopping distances, but you will always be limited by disc size and that crappy single pot caliper. You have to remember that the DTR was essentially a road version of the 1980's YZ. Motocross bikes are all about low end torque and fast acceleration out of the corners etc. Whereas road bikes are mostly all about faster cruising speeds and top end power. The DTR brakes were never ever up to the task of a road bike and this was the one thing which Yamaha never resolved, until they introduced the DTX.
Your best option for more flexibility and availability of parts is to replace the entire front end. As that way you will have more options to choose from and a bigger pool of spare parts to work with. The TDR forks are a straight swap and you get a 300mm disc, but you will need the entire front end if you can find a set. Or a full DTX front end will fit with some minor mods, but all other forks will require a bespoke cup made for them to fit. Upgrading to USD's would be your best option, with donor parts from a newer bike, ergo forks, wheel, brake set-up. That route would transform the entire handling and ride of the bike 10 fold for-sure.See these thread's for more details and ideas;
https://dt125r.co.uk/topic/189/brake-upgrades
https://dt125r.co.uk/topic/17/usd-conversion-bearing-cup-method
-
@ninja
Thanks for a long and well written answer! Thanks for clearing everything up, however have u looked at the old cr125 brake disc for the front? It looks very similiar to the dtr, however im not even sure if bolts etc would line up as ive not been able to measure anything yet.
I guess ill just have to try and upgrade everything else and leave the disc stock if i cant find anything that will work.
Im hopefully going over to 426f usd forks soon but im however sticking to the stock dtr wheel sadly -
-
