Specialized P.20 GROM 2014 VS GT POWER SERIES ULTRA BOX 2006 specs comparison

Specialized P.20 Grom
General InfosModel | P.20 Grom |
Manufacturer | Specialized |
Year of production | 2014 |
Current price | Check price Here ==> |
Color choice | -Red and White and Black |
Sizes | - 18.5 TT (inches) |
Sizes | - 18.5 TT (inches) |
Wheels And Breaking System
Bike front tire | Rhythm Lite 20x2.0 |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | U-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 | Specialized P.Series |
Handlebar extender | Not Available |
Handlebar stem details | Alloy |
Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | KMC HV410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | 8-Spline |
Crankset parts and sizes | 3-Piece 30t |
Gear shift levers | Unavailable Shifters |
Rear gear set | 1x1 Speeds |
Specialized P.20 Grom Fork System Data
Derailleur (Front) | Unavailable Front Derailleur |
Derailleur (Rear) | Unavailable Rear Derailleur |
Fork material | Not Available |
Fork type | Hi-Ten Steel |
Other Specs of Specialized P.20 Grom
Component group sets | Not Available |
Pedals details | Nylon Platform |
Rear shock absorber | Unavailable Rear Shock |
Saddle seat | P.Seat SL |
Seat post extension | Alloy |

GT Power Series Ultra Box
General InfosModel | Power Series Ultra Box |
Manufacturer | GT |
Year of production | 2006 |
Current price | Check price Here ==> |
Color choice | -Team Blue and Silver two tone |
Sizes | - 20 wheel (inches) |
Wheels And Breaking System
Bike front tire | Rear: 20 X 1.75 (inches) Kenda K-RadFront: 20 X 1.95 (inches) Kenda K-Rad |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | BX-2 (inches)Sabre (inches) BX-25 Tektro Aluminum Levers Cartridge Pads Rear Brakes Cold Forged Aluminum Hinged ClampAlloy Side-pull Caliper Front and Tektro |
Hubs for disc brakes | Hollow Cr-Mo Axle Sealed Bearings Aluminum Body'05 GT BMX Branded |
Rims manufacturer | 29 (millimeters) Width 36 Hole 36-hole Welded Double Wall With EyeletsSun Rhyno Lite XL |
Spoke nipples type | 14 G BlackAluminum |
Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
Frame materials | 6061-T6 AluminumGT Ultra Box Design |
Frame type | TIG-welded |
Handlebar construction | 7.9 (inches) Rise Cr-moGT BMX Race Bend |
Handlebar extender | Not Available |
Handlebar stem details | Cold Forged Aluminum'05 GT BMX Race Design |
Headset size | FSA (inches)ORBIT Z (inches) |
Gearing Specifications
Bicycle chain | KMC Z610HX |
Bottom bracket shell width | Not Available |
Bottom bracket type | TruVativ GIGA Pipe DH |
Crankset parts and sizes | 44 TeethTruvativ 180 (millimeters) (inches)Racing Team (inches) |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
GT Power Series Ultra Box Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Aluminum and chromoly |
Fork type | GT BMX Design |
Other Specs of GT Power Series Ultra Box
Component group sets | BMX |
Pedals details | CNC Aluminum Platform CNC Cr-mo Axle Sealed BearingsGT Design |
Rear shock absorber | Not Available |
Saddle seat | Stitched CoverSDG (inches)I-Fly (inches) Railess Design |
Seat post extension | SDG (inches)I-Fly (inches) Aluminum Micro Adjust Design |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its P.20 Grom bike manual
- Find All parts, tires and accessories of Specialized P.20 Grom BMX here
- Get your GT Power Series Ultra Box manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Power Series Ultra Box BMX here