Electra BOMBER 21 1998 VS Kona COWAN 2007 specs comparison

Electra Bomber 21
General InfosModel | Bomber 21 |
Manufacturer | Electra |
Year of production | 1998 |
Current price | Check price Here ==> |
Color choice | -Electric red |
Sizes | - 18.5 (inches) |
Sizes | - 18.5 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 2.10 (inches) EBC All Terrain |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Tektro RBP-375A LeversTektro 823 Linear-pull Brakes |
Hubs for disc brakes | Shimano AceraX |
Rims manufacturer | 36-holeEBC TA-8 Aluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeStainless Steel |
Frame and Body Specs
Frame materials | 4130 Chromoly Main Triangle and hi-tensile Steel Rear Stays |
Frame type | TIG-welded |
Handlebar construction | Kalloy Alloy Riser |
Handlebar extender | Not Available |
Handlebar stem details | Kalloy Aluminum |
Headset size | 1 (inches) Threadless YST |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | Shimano BB-LP26 |
Crankset parts and sizes | 24/34/42 TeethShimano Alivio |
Gear shift levers | Shimano STX RapidFire SL |
Rear gear set | 11 - 30 Teeth7-speed |
Electra Bomber 21 Fork System Data
Derailleur (Front) | Top-pullShimano AceraX Top-swing |
Derailleur (Rear) | Shimano Alivio |
Fork material | Triple-clamp CrownAluminum and chromoly |
Fork type | RST 280 |
Other Specs of Electra Bomber 21
Component group sets | Shimano Alivio and AceraX |
Pedals details | Wellgo Resin and aluminum |
Rear shock absorber | Not Available |
Saddle seat | EBC Performance |
Seat post extension | 26.8 (millimeters) DiameterKalloy Aluminum Micro-adjust |

Kona Cowan
General InfosModel | Cowan |
Manufacturer | Kona |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice | -Brown Matt |
Sizes | - 13 (inches)- 15 (inches)- 15.5 (inches)- 17 (inches)- 17.5 (inches) |
Wheels And Breaking System
Bike front tire | Rear: 26 X 2.20 (inches) Maxxis Holy RollerFront: 26 X 2.40 (inches) Maxxis Holy Roller |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Hayes HFX-9 XC LeversHayes HFX-9 XC Brakes |
Hubs for disc brakes | Rear: Shimano FH-M475 DiscFront: KK Disc 20 (millimeters) |
Rims manufacturer | Sun Ditch Witch |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. DT Swiss Stainless Steel |
Frame and Body Specs
Frame materials | Kona Clump 7005 Butted Aluminum |
Frame type | TIG-welded |
Handlebar construction | FSA Gravity Maximus OS Riser |
Handlebar extender | Not Available |
Handlebar stem details | FSA Gravity Maximus OS |
Headset size | TH Big Nut |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Shimano CN-HG53 |
Bottom bracket shell width | Not Available |
Bottom bracket type | FSA Gravity MOTO Mega EXO |
Crankset parts and sizes | 36 TeethFSA Gravity Moto X MegaExo |
Gear shift levers | Shimano Deore |
Rear gear set | 11 - 32 Teeth9-speed |
Kona Cowan Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Shimano Deore LX |
Fork material | Single |
Fork type | 100 (millimeters) TravelMarzocchi Dirt Jumper 2 |
Other Specs of Kona Cowan
Component group sets | Shimano Mix |
Pedals details | Kona Jackshit |
Rear shock absorber | Not Available |
Saddle seat | Kona Dirt Jump |
Seat post extension | FSA FR-270 |
Useful links and guides ....
- To know more about this exacte bike, Electra provided us with the latest version of its Bomber 21 bike manual
- Find All parts, tires and accessories of Electra Bomber 21 Mountain bike here
- Get your Kona Cowan manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Kona Cowan Mountain bike here