Trek 8.4 DS 2012 VS Trek 7.7 FX 2015 specs comparison

Trek 8.4 DS

General Infos

Model	8.4 DS
Manufacturer	Trek
Year of production	2012
Current price	🛒 View Price →
Color choice	-Matte White and Matte Black
Sizes	- 15 - 17.5 - 19 - 21 - 22.5
Sizes	- 15 - 17.5 - 19 - 21 - 22.5

Wheels And Breaking System

Bike front tire	Bontrager LT3 700x38c
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Hayes Dyno Sport Hydraulic
Hubs for disc brakes	Unavailable Front Hub Unavailable Rear Hub
Rims manufacturer	Bontrager Nebula Disc 32h
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Gold Aluminum
Frame type	Not Available
Handlebar construction	Bontrager Low Riser 25 (millimeters)
Handlebar extender	Not Available
Handlebar stem details	Bontrager SSR
Headset size	Unavailable Headset

Gearing Specifications

Bicycle chain	Unavailable Chain
Bottom bracket shell width	Not Available
Bottom bracket type	Unavailable Bottom Bracket
Crankset parts and sizes	Shimano Alivio 48/36/26t
Gear shift levers	Shimano Alivio Rapidfire 9spd
Rear gear set	Not Available

Trek 8.4 DS Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore 9 Spd
Fork material	Not Available
Fork type	SR Suntour NRX L and O 63 (millimeters)

Other Specs of Trek 8.4 DS

Component group sets	Not Available
Pedals details	Nylon Flat Pedal
Rear shock absorber	Unavailable Rear Shock
Saddle seat	Bontrager Evoke 1
Seat post extension	Bontrager SSR

Trek 7.7 FX

General Infos

Model	7.7 FX
Manufacturer	Trek
Year of production	2015
Current price	🛒 View Price →
Color choice	-Onyx Carbon
Sizes	- 50 (centimeters) - 52 (centimeters) - 54 (centimeters) - 56 (centimeters) - 58 (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	700x25c Aramid Bead Bontrager AW2 Hard-Case Lite
Bike rear tire	Not Available
Bike wheel size	700c
Brakeset type	Tektro Alloy Levers Alloy Dual-pivot Brakes
Hubs for disc brakes	Formula TK32 Alloy Alloy
Rims manufacturer	Bontrager TLR 24-hole
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Carbon Fiber
Frame type	BB90 DuoTrap Compatible E2 IsoSpeed 400 Series OCLV Carbon
Handlebar construction	15 (millimeters) Rise 31.8 (millimeters) Bontrager Satellite Plus IsoZone
Handlebar extender	Not Available
Handlebar stem details	31.8 (millimeters) 7 Degree With Computer & Light Mounts Bontrager Elite Blendr
Headset size	1-1/8 (inches) Top 1.5 (inches) Bottom Cartridge Bearings Sealed Integrated

Gearing Specifications

Bicycle chain	KMC X10
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	50/34 Shimano Tiagra
Gear shift levers	10 Speed Shimano Tiagra
Rear gear set	10 Speed Shimano Tiagra 12-30

Trek 7.7 FX Fork System Data

Derailleur (Front)	Braze-on Shimano Tiagra
Derailleur (Rear)	Shimano Tiagra
Fork material	Carbon Fiber
Fork type	E2 Trek IsoSpeed Carbon

Other Specs of Trek 7.7 FX

Component group sets	Shimano Tiagra
Pedals details	Toe-clip and strap Nylon Body With Alloy Cage
Rear shock absorber	Not Available
Saddle seat	Bontrager Evoke 1
Seat post extension	27.2 (millimeters) 8 (millimeters) Offset Bontrager Approved