Diamondback REACTOR JR 1999 VS GT POWER SERIES ULTRA-BOX 2008 specs comparison

Diamondback Reactor JR 1999 comparison online with competitors

Diamondback Reactor JR

General Infos
Model Reactor JR
Manufacturer Diamondback
Year of production 1999
Current price Check price Here ==>   
Color choice -White
Sizes - Junior
Sizes - Junior

Wheels And Breaking System

Bike front tire20 X 1 3/8 (inches) Tioga Comp III
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Tektro Alloy Linear-pull Rear Levers
Aluminum Linear-pull Rear Brakes
Hubs for disc brakesAlloy Precision
Rims manufacturer 32-hole
Alex Double Wall
Spoke nipples typeBrass Nipples
Spoke wheel 2.0 (millimeters) Straight Gauge
Shuhn Lih Stainless Steel

Frame and Body Specs

Frame materials6061 T6 Aluminum
Frame typeTIG-welded
Handlebar constructionAlloy
Handlebar extenderNot Available
Handlebar stem detailsAlloy Ahead
Headset size1 (inches) Threadless Tioga TG

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
KMC HP-20
Bottom bracket shell width68 (millimeters) English
Bottom bracket type 117.5 (millimeters) Spindle
Diamondback
Crankset parts and sizes 43 Teeth
Forged Alloy
Gear shift leversNot Available
Rear gear set 16 Teeth
1-speed

Diamondback Reactor JR Fork System Data

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

Other Specs of Diamondback Reactor JR

Component group setsNot Available
Pedals detailsAluminum
Rear shock absorberNot Available
Saddle seat1 Pc. Seat and alloy Post
Seat post extension 22.2 (millimeters) Diameter
1 Pc. Seat and alloy Post


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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