K2 Z-20 SIDEWALK 2005 VS Ross PRONTO 1998 specs comparison

K2 Z-20 Sidewalk
General InfosModel | Z-20 Sidewalk |
Manufacturer | K2 |
Year of production | 2005 |
Current price | Check price Here ==> |
Color choice | -Blue |
Sizes | - Not available |
Sizes | - Not available |
Wheels And Breaking System
Bike front tire | 20 X 1.95 (inches) Kenda |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Aluminum Rear LeversCoaster and linear Pull Rear Brakes |
Hubs for disc brakes | Rear: Steel Coaster BrakeFront: Steel |
Rims manufacturer | 36-holeAluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight GaugeUCP |
Frame and Body Specs
Frame materials | Hi-tensile Steel |
Frame type | TIG-welded |
Handlebar construction | Steel |
Handlebar extender | Not Available |
Handlebar stem details | Steel |
Headset size | 1 (inches) Threaded Steel |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Not Available |
Crankset parts and sizes | 36 Teeth1-piece Steel |
Gear shift levers | Not Available |
Rear gear set | 18 Teeth1-speed |
K2 Z-20 Sidewalk Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownHigh-tensile Steel |
Fork type | K2 |
Other Specs of K2 Z-20 Sidewalk
Component group sets | Not Available |
Pedals details | Resin |
Rear shock absorber | Not Available |
Saddle seat | Juvenile |
Seat post extension | Steel |

Ross Pronto
General InfosModel | Pronto |
Manufacturer | Ross |
Year of production | 1998 |
Current price | Check price Here ==> |
Color choice | -Metallic blue |
Sizes | - Boys |
Wheels And Breaking System
Bike front tire | 12 X 2.0 (inches) |
Bike rear tire | Not Available |
Bike wheel size | 12 (inches) Wheels |
Brakeset type | Coaster Brake |
Hubs for disc brakes | Rear: Coaster Brake With Training Wheels NuttedFront: Steel |
Rims manufacturer | Not Available |
Spoke nipples type | Not Available |
Spoke wheel | MoldedReinforced Nylon |
Frame and Body Specs
Frame materials | Hi-tensile Steel |
Frame type | Welded |
Handlebar construction | Steel |
Handlebar extender | Optional |
Handlebar stem details | Steel |
Headset size | 1 (inches) Steel |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches) |
Bottom bracket shell width | American |
Bottom bracket type | One Piece |
Crankset parts and sizes | 30 TeethSteel |
Gear shift levers | Not Available |
Rear gear set | 13 Teeth1-speed |
Ross Pronto Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownHi-tensile Steel |
Fork type | Ross |
Other Specs of Ross Pronto
Component group sets | Not Available |
Pedals details | Resin |
Rear shock absorber | Not Available |
Saddle seat | BMX |
Seat post extension | 22.2 (millimeters) Diameter SteelPillar |
Useful links and guides ....
- To know more about this exacte bike, K2 provided us with the latest version of its Z-20 Sidewalk bike manual
- Find All parts, tires and accessories of K2 Z-20 Sidewalk Youth here
- Get your Ross Pronto manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Ross Pronto Youth here