Rocky Mountain THIN AIR 1996 VS Alpine Designs XC-4 1998 specs comparison

Rocky Mountain Thin Air

General Infos

Model	Thin Air
Manufacturer	Rocky Mountain
Year of production	1996
Current price	Check price Here ==>
Color choice	-Pure gold
Sizes	- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)
Sizes	- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) WTB VelociRaptor Kevlar Front: 26 X 2.10 (inches) WTB Primal Raptor Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-7 Levers Shimano Deore LX M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Ritchey Rock 415
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Easton Custom Elite H.B.O. Taperwall
Frame type	Welded Aluminum
Handlebar construction	RMB Stratos 3
Handlebar extender	Optional
Handlebar stem details	RMB Custom 6061 Alloy
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset AL-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC40
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/32/44 Teeth Race Face LP Compact
Gear shift levers	Grip Shift SRT-600
Rear gear set	11 - 28 Teeth 8-speed

Rocky Mountain Thin Air Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 21R

Other Specs of Rocky Mountain Thin Air

Component group sets	Shimano Deore XT and LX
Pedals details	Ritchey Logic
Rear shock absorber	Not Available
Saddle seat	Manganese Rails Vetta TT Tri-Shock
Seat post extension	26.8 (millimeters) Diameter RMB Stratos 2

Alpine Designs XC-4

General Infos

Model	XC-4
Manufacturer	Alpine Designs
Year of production	1998
Current price	Check price Here ==>
Color choice	-Chrome-plated
Sizes	- 14.5 (inches) - 16.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Fly Accelerator
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Alivio Levers Shimano AceraX M-System Brakes
Hubs for disc brakes	Shimano AceraX
Rims manufacturer	36-hole Sun Rims CR18
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Marwi Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	Fly Up-Rising
Handlebar extender	Optional
Handlebar stem details	Fly Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Tech

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/44 Teeth Shimano Alivio
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 28 Teeth 7-speed

Alpine Designs XC-4 Fork System Data

Derailleur (Front)	Top-pull Shimano Alivio Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Triple-clamp Crown Chromoly
Fork type	RST 380 R

Other Specs of Alpine Designs XC-4

Component group sets	Shimano Alivio
Pedals details	Wellgo LU-945
Rear shock absorber	Not Available
Saddle seat	Chromoly Rails WTB SSTX
Seat post extension	29.6 (millimeters) Diameter Kalloy Aluminum Micro-adjust