Shimano 105 parts
Brand new rear cassette put on yesterday
Bought the bike last summer but never rode because it didn't fit me right.
super smooth great bike!
Im keeping the spdsl pedals and the saddle, but I have another prologo saddle I can throw in.
Bike specs here: http://.feltracing.com/USA/-Product-Catalog/Road/F-Series/F75.aspx