Hoffman Bikes MANTRA AL 2008 VS Bontrager B29 1997 specs comparison

Hoffman Bikes Mantra AL

General Infos

Model	Mantra AL
Manufacturer	Hoffman Bikes
Year of production	2008
Current price	Check price Here ==>
Color choice	- Lotus -Steel Blue
Sizes	- Not available
Sizes	- Not available

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.95 (inches) HB Skidmark Front: 20 X 2.125 (inches) Kenda K-Rad
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro 289 Rear Levers Tektro 907 U-brake Rear Brakes
Hubs for disc brakes	Rear: 36H 14 (millimeters) Axle Front: 36H 3/8 (inches) Axle
Rims manufacturer	36-hole Rear: Alex Supra E Double Wall Front: Jalco Double Wall
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Not Available
Frame type	TIG-welded
Handlebar construction	HB 2-piece
Handlebar extender	Optional
Handlebar stem details	Not Available
Headset size	FSA Impact

Gearing Specifications

Bicycle chain	KMC 410
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed
Crankset parts and sizes	27 Teeth 3 Piece Tubular 175 (millimeters)
Gear shift levers	Not Available
Rear gear set	10 Teeth 1-speed

Hoffman Bikes Mantra AL Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Chromoly
Fork type	HB

Other Specs of Hoffman Bikes Mantra AL

Component group sets	BMX Mix
Pedals details	Wellgo Alloy Platform
Rear shock absorber	Not Available
Saddle seat	HB Slim Kevlar
Seat post extension	25.4 (millimeters) Diameter

Bontrager B29

General Infos

Model	B29
Manufacturer	Bontrager
Year of production	1997
Current price	Check price Here ==>
Color choice	-Black
Sizes	- Pro - XL

Wheels And Breaking System

Bike front tire	Rear: 24 X 1.75 (inches) Cheng Shin Comp III Type Front: 24 X 2.125 (inches) Cheng Shin Comp III Type
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Tektro Levers Tektro 876AG V-Brake Brakes
Hubs for disc brakes	Aluminum Nutted
Rims manufacturer	36-hole Bontrager Mack
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	Chromoly
Handlebar extender	Not Available
Handlebar stem details	Bontrager Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Compe Aheadset

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC
Bottom bracket shell width	68 (millimeters) Threadless
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 B29 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	4130 chromoly c
Fork type	Bontrager

Other Specs of Bontrager B29

Component group sets	Not Available
Pedals details	Aluminum
Rear shock absorber	Not Available
Saddle seat	Velo C20
Seat post extension	27.0 (millimeters) Diameter Bontrager Comp