Hoffman Bikes MANTRA AL 2008 VS Diamondback JR. VIPER 2008 specs comparison

Hoffman Bikes Mantra AL 2008 comparison online with competitors

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 tireNot Available
Bike wheel size20 (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 typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsNot Available
Frame typeTIG-welded
Handlebar constructionHB 2-piece
Handlebar extenderOptional
Handlebar stem detailsNot Available
Headset sizeFSA Impact

Gearing Specifications

Bicycle chainKMC 410
Bottom bracket shell widthNot Available
Bottom bracket typeSealed
Crankset parts and sizes 27 Teeth
3 Piece Tubular 175 (millimeters)
Gear shift leversNot Available
Rear gear set 10 Teeth
1-speed

Hoffman Bikes Mantra AL Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork materialChromoly
Fork typeHB

Other Specs of Hoffman Bikes Mantra AL

Component group setsBMX Mix
Pedals detailsWellgo Alloy Platform
Rear shock absorberNot Available
Saddle seatHB Slim Kevlar
Seat post extension25.4 (millimeters) Diameter


Diamondback Jr. Viper 2008 comparison online with competitors

Diamondback Jr. Viper

General Infos
Model Jr. Viper
Manufacturer Diamondback
Year of production 2008
Current price Check price Here ==>   
Color choice -Red
Sizes - 19 top tube (inches)

Wheels And Breaking System

Bike front tire20 X 1.75 (inches) Comp III-style
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Rush RX2.1 Levers
Rush Linear Rear With Coaster Hub Front and Coaster Rear Brakes
Hubs for disc brakes Rear: Steel Coaster Brake 3/8 (inches) Axle
Front: Steel 3/8 (inches) Axle
Rims manufacturer 36-hole
30 (millimeters) Wide Aluminum
Spoke nipples typeNot Available
Spoke wheel14ga. Straight Gauge

Frame and Body Specs

Frame materialsHi-tensile Steel
Frame typeTIG-welded
Handlebar constructionHi-ten Steel 2-piece
Handlebar extenderOptional
Handlebar stem detailsSteel Quill
Headset size1 (inches) Threaded

Gearing Specifications

Bicycle chain 1/2 X 1/8 (inches)
KMC Z410
Bottom bracket shell widthNot Available
Bottom bracket typeLoose Ball
Crankset parts and sizes 36 Teeth
140 (millimeters) Steel 1-piece
Gear shift leversNot Available
Rear gear set 18 Teeth
1-speed

Diamondback Jr. Viper Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork material Unicrown Crown
Hi-tensile Steel
Fork typeDiamondback

Other Specs of Diamondback Jr. Viper

Component group setsBMX Mix
Pedals detailsResin Platform
Rear shock absorberNot Available
Saddle seatDB BMX Padded
Seat post extensionSteel Pillar


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