DK SENTRY 2009 VS Diamondback REACTOR JR. 2006 specs comparison
DK Sentry
General InfosModel | Sentry |
Manufacturer | DK |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | - Dark Red Pearl- Metallic Pewter-Black Gold |
Sizes | - 20.5 TT (inches) |
Sizes | - 20.5 TT (inches) |
Wheels And Breaking System
Bike front tire | 20 (inches) Kenda |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Unavailable Rear LeversTektro BX-310 Rear Brakes |
Hubs for disc brakes | Alloy 10 (millimeters) |
Rims manufacturer | 36-holeAlloy |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Stainless |
Frame and Body Specs
Frame materials | 6061 aluminum c |
Frame type | TIG-welded |
Handlebar construction | DK 2 Piece 7.3 (inches) |
Handlebar extender | Optional |
Handlebar stem details | DK Race Alloy Front Load |
Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | KMC |
Bottom bracket shell width | Not Available |
Bottom bracket type | Euro |
Crankset parts and sizes | 39 Teeth3 Piece Tubular Chromoly |
Gear shift levers | Not Available |
Rear gear set | 14 Teeth1-speed |
DK Sentry Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown Crown4130 Chromoly |
Fork type | Not Available |
Other Specs of DK Sentry
Component group sets | BMX |
Pedals details | Aluminum Platform |
Rear shock absorber | Not Available |
Saddle seat | DK Slim With 7 (millimeters) Rail |
Seat post extension | 27.2 (millimeters) DiameterAlloy Pillar |

Diamondback Reactor Jr.
General InfosModel | Reactor Jr. |
Manufacturer | Diamondback |
Year of production | 2006 |
Current price | Check price Here ==> |
Color choice | -Silver |
Sizes | - Not available |
Wheels And Breaking System
Bike front tire | 20 X 1 3/8 (inches) Tioga Comp III |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro 2-finger Rear LeversTektro Mini Linear Pull Rear Brakes |
Hubs for disc brakes | Sealed BearingAluminum |
Rims manufacturer | 24-hole Rear: Alex R-390Front: Alex R390 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | DB Junior Alloy |
Handlebar extender | Not Available |
Handlebar stem details | Jr. Alloy |
Headset size | 1 (inches) Threadless FSA |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC HP20 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Truvativ Power Spline |
Crankset parts and sizes | 40 TeethTruvativ Racing Jr. |
Gear shift levers | Not Available |
Rear gear set | 15 Teeth1-speed |
Diamondback Reactor Jr. Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | DB Reactor Jr. |
Other Specs of Diamondback Reactor Jr.
Component group sets | Not Available |
Pedals details | DB Junior Alloy |
Rear shock absorber | Not Available |
Saddle seat | Uni |
Seat post extension | 22.2 (millimeters) DiameterUni |
Useful links and guides ....
- To know more about this exacte bike, DK provided us with the latest version of its Sentry bike manual
- Find All parts, tires and accessories of DK Sentry BMX here
- Get your Diamondback Reactor Jr. manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback Reactor Jr. BMX here