Norco KOSHKA 2011 VS Ritchey P-20 1997 specs comparison
Norco Koshka
General Infos| Model | Koshka |
| Manufacturer | Norco |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Silver |
| Sizes |
- Womens 13 (inches) - womens 15 (inches) - womens 17 (inches) - womens 19 (inches) |
| Sizes |
- Womens 13 (inches) - womens 15 (inches) - womens 17 (inches) - womens 19 (inches) |
Wheels And Breaking System
| Bike front tire | Kenda K831 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | WSD Alloy Levers Tektro Novela Brakes |
| Hubs for disc brakes | Formula |
| Rims manufacturer | 32-hole WTB SX-24 |
| Spoke nipples type | Not Available |
| Spoke wheel | Stainless |
Frame and Body Specs
| Frame materials | Alloy |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | FSA TH-888 |
Gearing Specifications
| Bicycle chain | KMC Z72 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA BB-740ST |
| Crankset parts and sizes | 24/34/42 Teeth Shimano Altus FC-M171 |
| Gear shift levers | Shimano Altus SL-M310 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Norco Koshka Fork System Data
| Derailleur (Front) | Shimano Altus FD-M190 |
| Derailleur (Rear) | Shimano Alivio RD-M430 |
| Fork material | Single |
| Fork type | 100 (millimeters) Travel Suntour XCM |
Other Specs of Norco Koshka
| Component group sets | Shimano |
| Pedals details | Resin Body With Steel Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Norco Forma Comfort |
| Seat post extension | Alloy |
Ritchey P-20
General Infos| Model | P-20 |
| Manufacturer | Ritchey |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Red and white and blue |
| Sizes |
- 14 (inches) - 15 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 21 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) Ritchey Mega-Bite Z-Max WCS |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid SD-2.0 Levers Avid SD-2.0 Brakes |
| Hubs for disc brakes | Rear: Shimano Deore XT Front: Shimano Deore XT Suspension |
| Rims manufacturer | 32-hole Rear: Ritchey OCR WCS Front: Ritchey Rock WCS |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Double Butted Ritchey Stainless Steel |
Frame and Body Specs
| Frame materials | Ritchey WCS Prestige |
| Frame type | Fillet Brazed and TIG-welded |
| Handlebar construction | Ritchey ProLite WCS |
| Handlebar extender | Ritchey Logic Pro WCS |
| Handlebar stem details | Ritchey CompLite |
| Headset size | 1 (inches) Threadless Ritchey Logic WCS |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Sachs SC-M90 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 120 (millimeters) Spindle Ritchey SuperLogic Pro WCS Titanium |
| Crankset parts and sizes | 24/36/46 Teeth Ritchey Logic |
| Gear shift levers | Grip Shift SRT-800 X-Ray |
| Rear gear set | 11 - 28 Teeth 8-speed |
Ritchey P-20 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 28.6 (millimeters) Shimano XTR |
| Derailleur (Rear) | Shimano Deore XT SGS |
| Fork material | Triple-clamp Crown Magnesium |
| Fork type | Rock Shox Judy SL |
Other Specs of Ritchey P-20
| Component group sets | Ritchey WCS |
| Pedals details | Ritchey Logic WCS Titanium Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | Ritchey Vector Pro WCS |
| Seat post extension | 27.0 (millimeters) Diameter Ritchey Pro WCS |
Useful links and guides ....
- To know more about this exacte bike, Norco provided us with the latest version of its Koshka bike manual
- Find All parts, tires and accessories of Norco Koshka Mountain bike here
- Get your Ritchey P-20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Ritchey P-20 Mountain bike here