Research Dynamics COYOTE BMX THREE 1997 VS Diamondback JR. VIPER 2008 specs comparison

Research Dynamics Coyote BMX Three 1997 comparison online with competitors

Research Dynamics Coyote BMX Three

General Infos
Model Coyote BMX Three
Manufacturer Research Dynamics
Year of production 1997
Current price Check price Here ==>   
Color choice -Polished
Sizes - Boys 9 (inches)
Sizes - Boys 9 (inches)

Wheels And Breaking System

Bike front tire20 X 2.125 (inches) Cheng Shin C-714
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Tektro RBP-286A Levers
Tektro 869A Brakes
Hubs for disc brakesKing Kong 370
Rims manufacturer 36-hole
Alex VP-20
Spoke nipples typeBrass Nipples
Spoke wheel 2.0 (millimeters) Straight Gauge
Sha Dar Stainless Steel

Frame and Body Specs

Frame materials7005 aluminum c
Frame typeWelded
Handlebar constructionK W BX-31E0
Handlebar extenderNot Available
Handlebar stem detailsHsin Lung MX-320
Headset size1 1/8 (inches) Threadless Dia-Compe Aheadset SE-1

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
KMC HP-20
Bottom bracket shell width68 (millimeters) Threadless
Bottom bracket typeOne Piece
Crankset parts and sizes 43 Teeth
Cyclone CPI SPR-620
Gear shift leversNot Available
Rear gear set 16 Teeth
1-speed

Research Dynamics Coyote BMX Three Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork material Butted
Unicrown Crown
Chromoly
Fork typeAprebic AX-4602

Other Specs of Research Dynamics Coyote BMX Three

Component group setsNot Available
Pedals detailsFasten NW-221
Rear shock absorberNot Available
Saddle seatVelo VL-229
Seat post extension 31.4 (millimeters) Diameter
Kalloy SP-263


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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