Hi I have a 2008 Trek Fuel EX8 , when i bought my new rims the store owner suggested that i upgrade the Discs. Originally the bike had Avid Juicy 5 with 185 mm front and 160 mm rear. The guy changed them to Alligator Aries Ti 180 mm front and 160 mm rear. I went riding for a few days but i notice the bike is not braking as before, it brakes but not as hard and i have pull hard on the levers. Then i went to the store and the guy changed the pads in front because they were cirstalized he also removed the washers in the front caliper to compensate for the 5mm change in size. I went riding again twice and still the braking is not as before. My questions is i have to use different pads, or maybe this disc is not compattible with my avid juicy five or maybe i need to re blled the system. i am tired of going to the store and they tell me to ride and they will work after a few days. My buddys have tried it and they say its not supposd to be like that. Any help or suggestions will be appreciated.
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