Trek 8.4 DS 2015 VS Rocky Mountain RC 50 D 2009 specs comparison

Trek 8.4 DS

General Infos

Model	8.4 DS
Manufacturer	Trek
Year of production	2015
Current price	Check price Here ==>
Color choice	- Viper Red -Matte Trek Black and Trek White
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 22.5 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	700x38c Bontrager LT3
Bike rear tire	Not Available
Bike wheel size	700c
Brakeset type	Tektro HDC-300 Hydraulic Disc Brakes With Tektro Hydraulic Levers
Hubs for disc brakes	Formula DC22 Alloy Formula DC20 Alloy
Rims manufacturer	32-hole Bontrager TLR Disc
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Aluminum
Frame type	DuoTrap S Compatible Rack And Fender Mounts Alpha Gold Aluminum
Handlebar construction	15 (millimeters) Rise 31.8 (millimeters) Bontrager Low Riser
Handlebar extender	Not Available
Handlebar stem details	31.8 (millimeters) 7 Degree With Computer & Light Mounts Bontrager Elite Blendr
Headset size	Sealed Cartridge Bearings

Gearing Specifications

Bicycle chain	KMC X9
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	48/36/26 FSA Dyna Drive
Gear shift levers	9 Speed Shimano Acera M390
Rear gear set	9 Speed SRAM PG-950 11-32

Trek 8.4 DS Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Alivio
Fork material	Not Available
Fork type	63 (millimeters) Travel Coil Spring Hydraulic Lockout Preload SR Suntour NEX

Other Specs of Trek 8.4 DS

Component group sets	Co (millimeters)uter Mix
Pedals details	Toe-clip and strap Nylon Body With Alloy Cage
Rear shock absorber	Not Available
Saddle seat	Bontrager H1
Seat post extension	12 (millimeters) Offset 2-bolt Clamp 27.2 (millimeters) Bontrager SSR

Rocky Mountain RC 50 D

General Infos

Model	RC 50 D
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-Anthracite and Orange
Sizes	- 40cm (centimeters) - 45.5cm (centimeters) - 50cm (centimeters) - 55.5cm (centimeters) - 58cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 28c Kenda Kwick Roller Sport
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano M486 Hydraulic Levers Shimano M486 Disc Brakes
Hubs for disc brakes	Wheeltech Cartridge Disc
Rims manufacturer	Alex TD-24
Spoke nipples type	Not Available
Spoke wheel	Stainless

Frame and Body Specs

Frame materials	7005 Triple Butted Aluminum With Delta Process TT
Frame type	TIG-welded
Handlebar construction	Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) FSA

Gearing Specifications

Bicycle chain	Shimano HG53-9
Bottom bracket shell width	Not Available
Bottom bracket type	TH BB-8420
Crankset parts and sizes	34/50 Teeth FSA Vero
Gear shift levers	Shimano R440
Rear gear set	12 - 26 Teeth 9-speed

Rocky Mountain RC 50 D Fork System Data

Derailleur (Front)	Shimano R440
Derailleur (Rear)	Shimano LX
Fork material	Unicrown Crown Alloy
Fork type	Not Available

Other Specs of Rocky Mountain RC 50 D

Component group sets	Shimano Mix
Pedals details	VP 990s
Rear shock absorber	Not Available
Saddle seat	Selle Italia XO
Seat post extension	31.6 (millimeters) Diameter Carbon