Hoffman Bikes MANTRA AL 2008 VS GT POWER SERIES ULTRA-BOX 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


GT Power Series Ultra-Box 2008 comparison online with competitors

GT Power Series Ultra-Box

General Infos
Model Power Series Ultra-Box
Manufacturer GT
Year of production 2008
Current price Check price Here ==>   
Color choice -Silver and Black
Sizes - Standard size for everyone

Wheels And Breaking System

Bike front tire20 (inches) Kenda Small Block Eight
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Tektro BX-2 Sabre Rear Levers
Tektro BX-25 Rear Brakes
Hubs for disc brakes Rear: Joy Tech Cassette
Front: GT Aluminum Sealed
Rims manufacturer 36-hole
Alex Supra Dome
Spoke nipples typeAluminum Nipples
Spoke wheel14ga.

Frame and Body Specs

Frame materialsGT 6061 Aluminum
Frame typeTIG-welded
Handlebar constructionGT BMX Cro-moly
Handlebar extenderOptional
Handlebar stem detailsGT BMX Race
Headset sizeFSA Orbit Z

Gearing Specifications

Bicycle chainKMC Z610HX
Bottom bracket shell widthNot Available
Bottom bracket typeTruVativ Gigapipe DH ISIS
Crankset parts and sizesTruVativ Racing Team
Gear shift leversNot Available
Rear gear set 14
15
16 Teeth
1-speed

GT Power Series Ultra-Box Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork material Single Crown
Aluminum
Fork typeGT Aluminum

Other Specs of GT Power Series Ultra-Box

Component group setsBMX
Pedals detailsGT Alum Platform With Cr-mo Spindles
Rear shock absorberNot Available
Saddle seatSDG I-Fly I-Beam
Seat post extensionSDG I Fly


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