Kona MAMA 2001 VS Bontrager B1 1998 specs comparison

Kona Mama

General Infos

Model	Mama
Manufacturer	Kona
Year of production	2001
Current price	Check price Here ==>
Color choice	-DJ Blue
Sizes	- Pro
Sizes	- Pro

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.85 (inches) Tioga Comp III Front: 20 X 2.25 (inches) Tioga Comp III
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 318A Rear Levers Tektro BX-20 Linear-pull Rear Brakes
Hubs for disc brakes	Kona Bulge
Rims manufacturer	36-hole Sun Rims Ditch Witch
Spoke nipples type	Not Available
Spoke wheel	14g Stainless Steel

Frame and Body Specs

Frame materials	Kona Cromoly
Frame type	TIG-welded
Handlebar construction	Kona Chromoly Race
Handlebar extender	Optional
Handlebar stem details	Kona DJ-1
Headset size	Aheadset

Gearing Specifications

Bicycle chain	KMC
Bottom bracket shell width	Not Available
Bottom bracket type	YST BB-621
Crankset parts and sizes	44 Teeth 1-piece 175 (millimeters)
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Kona Mama Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	Kona Jump

Other Specs of Kona Mama

Component group sets	Not Available
Pedals details	Wellgo
Rear shock absorber	Not Available
Saddle seat	Kona BMX Race
Seat post extension	Kona Thumb

Bontrager B1

General Infos

Model	B1
Manufacturer	Bontrager
Year of production	1998
Current price	Check price Here ==>
Color choice	-Chrome-plated
Sizes	- Expert - Pro - Pro XL

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.75 (inches) Kenda K-50 Comp III Type Front: 20 X 2.125 (inches) Kenda K-50 Comp III Type
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro Levers Tektro Linear-pull Rear Brakes
Hubs for disc brakes	Formula Aluminum
Rims manufacturer	36-hole Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	True Temper Chromoly
Frame type	TIG-welded
Handlebar construction	Chromoly
Handlebar extender	Not Available
Handlebar stem details	Bontrager Aluminum
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) Taya 400
Bottom bracket shell width	American 24tpi
Bottom bracket type	One Piece
Crankset parts and sizes	44 Teeth 1-piece Chromoly
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Bontrager B1 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	Bontrager

Other Specs of Bontrager B1

Component group sets	Not Available
Pedals details	Aluminum Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager
Seat post extension	27.0 (millimeters) Diameter Bontrager