Norco 250 DIRT 2005 VS Ross MT. ST. HELENS 1997 specs comparison
Norco 250 Dirt
General Infos| Model | 250 Dirt |
| Manufacturer | Norco |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
-Brown |
| Sizes |
- SM - ML |
| Sizes |
- SM - ML |
Wheels And Breaking System
| Bike front tire | Rear: 24 X 2.35 (inches) Kenda K-Rad Front: 24 X 2.50 (inches) Kenda K-Rad |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Avid Speed Dial 7 Rear Levers Hayes HMX-2 Mechanical Disc Rear Brakes |
| Hubs for disc brakes | 20 (millimeters) Axle Rear: Aluminum Disc Q and R Front: Aluminum Disc |
| Rims manufacturer | 36-hole Atomlab Trailpimp |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Chun Nan Stainless Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | Axiom Shovel |
| Handlebar extender | Optional |
| Handlebar stem details | SNAFU Armstrong |
| Headset size | 1 1/8 (inches) Threadless FSA Deepcup |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z510 |
| Bottom bracket shell width | 68 (millimeters) American |
| Bottom bracket type | SNAFU 22 (millimeters) |
| Crankset parts and sizes | 28 Teeth DMR Cheiftain |
| Gear shift levers | Shimano Alivio RapidFire |
| Rear gear set | 12 Teeth 1-speed |
Norco 250 Dirt Fork System Data
| Derailleur (Front) | Chain-retention Device DMR Chainguide |
| Derailleur (Rear) | Not Available |
| Fork material | Single Crown Aluminum and magnesium |
| Fork type | 110 (millimeters) Travel Manitou Sherman Flick |
Other Specs of Norco 250 Dirt
| Component group sets | Mountain Mix |
| Pedals details | DMR V-8 |
| Rear shock absorber | Not Available |
| Saddle seat | Axiom Shovel |
| Seat post extension | Lee Chi SP-222 |
Ross Mt. St. Helens
General Infos| Model | Mt. St. Helens |
| Manufacturer | Ross |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Green and blue fade |
| Sizes |
- Small - Medium - Large - Extra large |
Wheels And Breaking System
| Bike front tire | 26 X 1.90 (inches) Hutchinson On The Rocks |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Dia-Compe SS-6 Levers Shimano AceraX M-System Brakes |
| Hubs for disc brakes | Q and R Rear: Joy Tech Aluminum Cassette Front: Joy Tech Big Hub Q and R |
| Rims manufacturer | 32-hole Rigida LASER |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Sapim Stainless Steel |
Frame and Body Specs
| Frame materials | Carbon Reinforced Thermoplastic |
| Frame type | Monocoque |
| Handlebar construction | JY 230HB Aluminum |
| Handlebar extender | Ross One-piece Aluminum |
| Handlebar stem details | Kalloy Aluminum |
| Headset size | 1 1/8 (inches) Threadless YST CS558 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG50 |
| Bottom bracket shell width | 73 (millimeters) Threadless |
| Bottom bracket type | 113 (millimeters) Spindle YST BB 966 |
| Crankset parts and sizes | 22/34/42 Teeth Sugino Impel 300 |
| Gear shift levers | Grip Shift ESP 500 |
| Rear gear set | 11 - 28 Teeth 7-speed |
Ross Mt. St. Helens Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 35.0 (millimeters) Shimano Alivio Top-swing |
| Derailleur (Rear) | Grip Shift ESP 5.0 |
| Fork material | Triple-clamp Crown Aluminum |
| Fork type | Akela Elastomer |
Other Specs of Ross Mt. St. Helens
| Component group sets | Grip Shift and Alivio |
| Pedals details | Resin Body With Clips & Straps Steel Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Selle Master Anatomic |
| Seat post extension | 27.0 (millimeters) Diameter Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Norco provided us with the latest version of its 250 Dirt bike manual
- Find All parts, tires and accessories of Norco 250 Dirt Mountain bike here
- Get your Ross Mt. St. Helens manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Ross Mt. St. Helens Mountain bike here