Trek Top Fuel ABP Rear Derailleur Hanger
-Fits the following frames:
2020/21 Top Fuel 9.9
2020/21 Top Fuel 9.8
2020/21 Top Fuel 9.7
2020/21 Top Fuel 8
-Replaces Mfg Part #439634
-Color: Black
-Attachment nut is not included
-Light Weight / Durable Aluminum Alloy Construction
-NOTE: Many derailleur hanger-destroying accidents are caused by improper adjustment of the derailleur prior to the accident,
please do not simply install a new derailleur and forget to properly adjust the derailleur.

Trek Top Fuel ABP Rear Derailleur Hanger
-Fits the following frames:
2020/21 Top Fuel 9.9
2020/21 Top Fuel 9.8
2020/21 Top Fuel 9.7
2020/21 Top Fuel 8
-Replaces Mfg Part #439634
-Color: Black
-Attachment nut is not included
-Light Weight / Durable Aluminum Alloy Construction
-NOTE: Many derailleur hanger-destroying accidents are caused by improper adjustment of the derailleur prior to the accident,
please do not simply install a new derailleur and forget to properly adjust the derailleur.