Kona BIG UNIT 2009 VS Ritchey P-21 1997 specs comparison

Kona Big Unit

General Infos

Model	Big Unit
Manufacturer	Kona
Year of production	2009
Current price	Check price Here ==>
Color choice	-Lime Green Metallic
Sizes	- 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)
Sizes	- 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.10 (inches) Maxxis Ignitor
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Shimano M575 Hydraulic Levers Shimano M575 Disc Brakes
Hubs for disc brakes	Formula Disc
Rims manufacturer	Mavic TN 719
Spoke nipples type	Not Available
Spoke wheel	15ga. Sandvic Stainless

Frame and Body Specs

Frame materials	Kona Race Light Scandium Butted
Frame type	TIG-welded
Handlebar construction	Kona XC and BC Deluxe Riser
Handlebar extender	Optional
Handlebar stem details	Kona XC and BC Deluxe
Headset size	1 1/8 (inches) FSA Orbit DL

Gearing Specifications

Bicycle chain	KMC Z610
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	Race Face X-Type
Crankset parts and sizes	32 Teeth Race Face Atlas SS With Bashguard
Gear shift levers	Not Available
Rear gear set	18 Teeth 1-speed

Kona Big Unit Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Single
Fork type	80 (millimeters) Travel Fox 32 F29 RL

Other Specs of Kona Big Unit

Component group sets	Single Speed Mix
Pedals details	Shimano PD-M520
Rear shock absorber	Not Available
Saddle seat	WTB Rocket V Comp
Seat post extension	Kona XC and BC Deluxe

Ritchey P-21

General Infos

Model	P-21
Manufacturer	Ritchey
Year of production	1997
Current price	Check price Here ==>
Color choice	-Red and white and blue
Sizes	- 14 (inches) - 15 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Ritchey Omega Bite HD Kevlar Front: 26 X 2.10 (inches) Ritchey Alfa Bite SC HD Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-1.9 Levers Avid SD-2.0 Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: Shimano Deore XT Suspension
Rims manufacturer	32-hole Rear: Ritchey OCR Front: Ritchey Rock SCX
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Double Butted Ritchey Stainless Steel

Frame and Body Specs

Frame materials	Ritchey WCS Prestige
Frame type	Fillet Brazed and TIG-welded
Handlebar construction	Ritchey ForceLite
Handlebar extender	Ritchey Expert
Handlebar stem details	Ritchey CompLite
Headset size	1 (inches) Threadless Ritchey Logic Comp

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-M55
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	120 (millimeters) Spindle Ritchey SuperLogic
Crankset parts and sizes	24/36/46 Teeth Ritchey Logic
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	11 - 28 Teeth 8-speed

Ritchey P-21 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano XTR Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Judy XC

Other Specs of Ritchey P-21

Component group sets	Ritchey Expert
Pedals details	Ritchey Logic
Rear shock absorber	Not Available
Saddle seat	Ritchey Vector
Seat post extension	27.0 (millimeters) Diameter Ritchey Expert