Robinson JR 1996 VS Marin MBX 250 EXPERT 2008 specs comparison
Robinson JR
General InfosModel | JR |
Manufacturer | Robinson |
Year of production | 1996 |
Current price | Check price Here ==> |
Color choice | -Chrome-plated |
Sizes | - Boys |
Sizes | - Boys |
Wheels And Breaking System
Bike front tire | 20 X 1 1/8 (inches) GT AA Pro |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe MX-122 LeversDia-Compe 500NR Brakes |
Hubs for disc brakes | Not Available |
Rims manufacturer | 28-holeSun Metal |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeSteel |
Frame and Body Specs
Frame materials | Chromoly |
Frame type | TIG-welded Steel |
Handlebar construction | Robinson JR Alloy |
Handlebar extender | Not Available |
Handlebar stem details | GT Mini Alloy |
Headset size | 1 (inches) Tioga Bear Trap |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)KMC |
Bottom bracket shell width | 68 (millimeters) Threadless |
Bottom bracket type | Sugino |
Crankset parts and sizes | 42 TeethSugino Alloy |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Robinson JR Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | Robinson |
Other Specs of Robinson JR
Component group sets | Not Available |
Pedals details | GT Mini |
Rear shock absorber | Not Available |
Saddle seat | Velo |
Seat post extension | 20.6 (millimeters) Diameter |

Marin MBX 250 Expert
General InfosModel | MBX 250 Expert |
Manufacturer | Marin |
Year of production | 2008 |
Current price | Check price Here ==> |
Color choice | -Gloss Mica |
Sizes | - Professional size |
Wheels And Breaking System
Bike front tire | 20 X 2.10 (inches) Kenda Kinetic |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Forged Alloy 3 Finger Rear LeversForged Alloy Linear Pull Rear Brakes |
Hubs for disc brakes | Rear: Alloy SealedFront: Alloy Double Sealed |
Rims manufacturer | 36-holeAlex DM-24 |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Stainless Steel |
Frame and Body Specs
Frame materials | 7005 aluminum c |
Frame type | TIG-welded |
Handlebar construction | 7 (inches) TallCro-mo 25.5 (inches) Wide |
Handlebar extender | Optional |
Handlebar stem details | Alloy 4-bolt |
Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC |
Bottom bracket shell width | Not Available |
Bottom bracket type | Sealed Cartridge |
Crankset parts and sizes | 44 TeethChromoly Three-piece |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Marin MBX 250 Expert Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Not Available |
Fork type | Taper Cut Oversize |
Other Specs of Marin MBX 250 Expert
Component group sets | BMX |
Pedals details | Alloy BMX Platform |
Rear shock absorber | Not Available |
Saddle seat | BMX Race |
Seat post extension | 25.4 (millimeters) DiameterAlloy Micro Adjust |
Useful links and guides ....
- To know more about this exacte bike, Robinson provided us with the latest version of its JR bike manual
- Find All parts, tires and accessories of Robinson JR BMX here
- Get your Marin MBX 250 Expert manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Marin MBX 250 Expert BMX here