Firmstrong URBAN BOY 20 2013 VS Kona HUMUHUMU 2007 specs comparison
Firmstrong Urban Boy 20
General Infos| Model | Urban Boy 20 |
| Manufacturer | Firmstrong |
| Year of production | 2013 |
| Current price | Check price Here ==> |
| Color choice |
- Red -Black |
| Sizes |
- 13 (inches) |
| Sizes |
- 13 (inches) |
Wheels And Breaking System
| Bike front tire | Kenda 20x2.125 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Coaster Brake |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | Unavailable Wheelset |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | High-Tensile Steel |
| Frame type | Not Available |
| Handlebar construction | Steel Cruiser |
| Handlebar extender | Not Available |
| Handlebar stem details | Unavailable Stem |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | Unavailable Chain |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Unavailable Bottom Bracket |
| Crankset parts and sizes | Steel |
| Gear shift levers | Unavailable Shifters |
| Rear gear set | 1x1 Speeds |
Firmstrong Urban Boy 20 Fork System Data
| Derailleur (Front) | Unavailable Front Derailleur |
| Derailleur (Rear) | Unavailable Rear Derailleur |
| Fork material | Not Available |
| Fork type | Hi-Tensile Steel |
Other Specs of Firmstrong Urban Boy 20
| Component group sets | Not Available |
| Pedals details | Resin Body |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | Comfort |
| Seat post extension | Unavailable Seatpost |
Kona HUMUHUMU
General Infos| Model | HUMUHUMU |
| Manufacturer | Kona |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Steel Blue -Brown |
| Sizes |
- 16 (inches) - 18 (inches) - 20 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 3.00 (inches) Kenda Cruiser Black Wall |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Rear: Shimano Coaster Brake Front: Formula |
| Rims manufacturer | Araya VP-20 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless Steel |
Frame and Body Specs
| Frame materials | Kona Double Butted Cromoly |
| Frame type | TIG-welded |
| Handlebar construction | Kona Cruiser |
| Handlebar extender | Optional |
| Handlebar stem details | Kona Control |
| Headset size | 1 1/8 (inches) Ritchey LB |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z610 RB |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | RPM 7420ST |
| Crankset parts and sizes | 42 Teeth RPM CY2F |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Kona HUMUHUMU Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Kona Project Two |
Other Specs of Kona HUMUHUMU
| Component group sets | Cruiser Mix |
| Pedals details | Kona Cruiser |
| Rear shock absorber | Not Available |
| Saddle seat | Velo Comfort |
| Seat post extension | Kona Thumb |
Useful links and guides ....
- To know more about this exacte bike, Firmstrong provided us with the latest version of its Urban Boy 20 bike manual
- Find All parts, tires and accessories of Firmstrong Urban Boy 20 Cruiser here
- Get your Kona HUMUHUMU manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Kona HUMUHUMU Cruiser here