Trek 3900 DISC 2010 VS Univega ALPINA 502S 1997 specs comparison

Trek 3900 Disc

General Infos

Model	3900 Disc
Manufacturer	Trek
Year of production	2010
Current price	Check price Here ==>
Color choice	- Matte Orange - Special Edition Matte White -Matte Black
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager LT-3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers ProMax Mechanical Disc Brakes
Hubs for disc brakes	Rear: Shimano FH-M475 Disc Front: Formula Alloy DC20
Rims manufacturer	Bontrager 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha White Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Approved Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless VP-A68-TK

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	42/34/24 Teeth Shimano M191
Gear shift levers	Shimano EF-50
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 Disc Fork System Data

Derailleur (Front)	Shimano C051
Derailleur (Rear)	Shimano M-360
Fork material	Single Crown
Fork type	100 (millimeters) Travel SR Suntour SF9 XCT V2

Other Specs of Trek 3900 Disc

Component group sets	Mountain Mix
Pedals details	Wellgo Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager SSR
Seat post extension	31.6 (millimeters) Diameter Bontrager SSR

Univega Alpina 502S

General Infos

Model	Alpina 502S
Manufacturer	Univega
Year of production	1997
Current price	Check price Here ==>
Color choice	- orange -Blue
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Panaracer Smoke 2 Front: 26 X 1.95 (inches) Panaracer Dart 2
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7 Levers Dia-Compe VC-747 Brakes
Hubs for disc brakes	Rear: Shimano AceraX Front: Formula FM 31
Rims manufacturer	36-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Chung Nan Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Chromoly
Frame type	TIG-welded
Handlebar construction	Concept Aluminum
Handlebar extender	Optional
Handlebar stem details	Kalloy Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Compe Aheadset SE-1

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth SR Apex 350
Gear shift levers	Shimano STX RapidFire SL
Rear gear set	11 - 30 Teeth 7-speed

Univega Alpina 502S Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Indy C

Other Specs of Univega Alpina 502S

Component group sets	Shimano STX and Alivio
Pedals details	Victor VP-977S With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Velo VL-218
Seat post extension	26.0 (millimeters) Diameter Kalloy SP-263