Specialized HOTROCK 24 21-SPEED STREET BOYS 2015 VS Diamondback RM 20 2009 specs comparison
Specialized HOTROCK 24 21-SPEED STREET BOYS
General Infos| Model | HOTROCK 24 21-SPEED STREET BOYS |
| Manufacturer | Specialized |
| Year of production | 2015 |
| Current price | Check price Here ==> |
| Color choice |
-Red and White and Black |
| Sizes |
- Standard size for all |
| Sizes |
- Standard size for all |
Wheels And Breaking System
| Bike front tire | 24x1.5 (inches) 30TPI Flak Jacket Protection Wire Bead Specialized Nimbus |
| Bike rear tire | Not Available |
| Bike wheel size | 24 |
| Brakeset type | 60 (millimeters) Pads Die-cast Alloy V-brake |
| Hubs for disc brakes | 3/8 (inches) Axle 32h 32h Alloy Dual Lock Nuts With 17 (millimeters) Contact Side Dual Lock Nuts With 17 (millimeters) Contact Side Loose Ball Loose Ball Nutted Steel Nutted Alloy |
| Rims manufacturer | 32h Alloy Single Wall Pin Joint 24 (inches) |
| Spoke nipples type | Not Available |
| Spoke wheel | 14g With Brass Nipple Stainless |
Frame and Body Specs
| Frame materials | Aluminum |
| Frame type | Forged Dropouts Formed Toptube and downtube Replaceable Alloy Derailleur Hanger Specialized A1 Premium Aluminum |
| Handlebar construction | 10-degree Backsweep 25.4 (millimeters) 4-degree Upsweep Steel Kid's Flat |
| Handlebar extender | Not Available |
| Handlebar stem details | 20-degree Rise 4-bolt Forged Alloy Ahead |
| Headset size | 1/8 (inches) Sealed Cartridge Bearings Ahead |
Gearing Specifications
| Bicycle chain | 1/2 (inches)x3/32 (inches) KMC HV500 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Semi-cartridge With Bolts 68x119 (millimeters) |
| Crankset parts and sizes | 42/34/24 Steel With Chainguard Forged Alloy Arms |
| Gear shift levers | 7-speed Shimano Revo-Shift |
| Rear gear set | 14-28 7-speed Freewheel Shimano |
Specialized HOTROCK 24 21-SPEED STREET BOYS Fork System Data
| Derailleur (Front) | Shimano Tourney |
| Derailleur (Rear) | 7-speed MegaRange Shimano TX-35 |
| Fork material | Aluminum |
| Fork type | 1-1/8 (inches) Steerer Straight Blade Alloy |
Other Specs of Specialized HOTROCK 24 21-SPEED STREET BOYS
| Component group sets | Youth Mix |
| Pedals details | 9/16 (inches) With Reflectors Composite Platform |
| Rear shock absorber | Not Available |
| Saddle seat | 7 (millimeters) Rails With Bumper Specialized Kids |
| Seat post extension | 27.2 (millimeters) Single Bolt Alloy |
Diamondback RM 20
General Infos| Model | RM 20 |
| Manufacturer | Diamondback |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss Blue |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 2.125 (inches) Comp III Style |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Alloy Linear Rear Levers Alloy Linear Pull and Coaster Brake Rear Brakes |
| Hubs for disc brakes | Rear: Nutted Coaster Front: Nutted |
| Rims manufacturer | 36-hole Alex R-1000 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | High-Tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Hi-Ten 2-piece |
| Handlebar extender | Optional |
| Handlebar stem details | Steel Quill |
| Headset size | 1 (inches) Threaded |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 36 Teeth 1-piece |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Diamondback RM 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown High-tensile Steel |
| Fork type | Not Available |
Other Specs of Diamondback RM 20
| Component group sets | Juvenile Mix |
| Pedals details | Resin Platform |
| Rear shock absorber | Not Available |
| Saddle seat | DB BMX Padded |
| Seat post extension | 25.4 (millimeters) Diameter Steel Pillar |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its HOTROCK 24 21-SPEED STREET BOYS bike manual
- Find All parts, tires and accessories of Specialized HOTROCK 24 21-SPEED STREET BOYS Youth here
- Get your Diamondback RM 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback RM 20 Youth here