Rocky Mountain BOROUGHS 2010 VS Jamis SONIK 2008 specs comparison

Rocky Mountain Boroughs

General Infos

Model	Boroughs
Manufacturer	Rocky Mountain
Year of production	2010
Current price	🛒 View Price →
Color choice	-White
Sizes	- 51cm (centimeters) - 54cm (centimeters) - 57cm (centimeters) - 60cm (centimeters)
Sizes	- 51cm (centimeters) - 54cm (centimeters) - 57cm (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Zaffiro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Top Mount Tektro Rl721 Levers Tektro R310 Dual Pivot Brakes
Hubs for disc brakes	Fixed Gear Both Sides High Flange High Flange With Track Bolts Rear: Track Type With Track Bolts Front: Track Type
Rims manufacturer	RMB Double Wall 42 (millimeters) Alloy
Spoke nipples type	Not Available
Spoke wheel	Stainless

Frame and Body Specs

Frame materials	RMB Custom Chromoly
Frame type	TIG-welded
Handlebar construction	Tange Bull Type TT O.V.
Handlebar extender	Optional
Handlebar stem details	RMB 7-degree Flip and flop
Headset size	FSA

Gearing Specifications

Bicycle chain	KMC 510HX
Bottom bracket shell width	Not Available
Bottom bracket type	TH BB-7420
Crankset parts and sizes	48 Teeth RMB RM-S48 Alloy Arm
Gear shift levers	Not Available
Rear gear set	16 - 18 Teeth 1-speed

Rocky Mountain Boroughs Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	Not Available

Other Specs of Rocky Mountain Boroughs

Component group sets	Track Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Rocky Mountain Vintage Edition With Silver Rivets
Seat post extension	27.2 (millimeters) Diameter RMB

Jamis Sonik

General Infos

Model	Sonik
Manufacturer	Jamis
Year of production	2008
Current price	🛒 View Price →
Color choice	-Pearl White
Sizes	- 48cm (centimeters) - 51cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 20c Vittoria UltraSpeed
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Not Available
Hubs for disc brakes	American Classic Track
Rims manufacturer	20-hole and 24-hole American Classic 420 Track
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Easton EA50
Handlebar extender	Not Available
Handlebar stem details	Easton EA50 31.8 (millimeters) Clamp
Headset size	1 1/8 (inches) Threadless Internal AheadSet

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z510H
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Giga X Pipe
Crankset parts and sizes	48 Teeth TruVativ Omnium 1.1
Gear shift levers	Not Available
Rear gear set	15 Teeth 1-speed

Jamis Sonik Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Aero Crown Carbon and carbon Steerer
Fork type	Jamis Aero

Other Specs of Jamis Sonik

Component group sets	Track Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Blaze
Seat post extension	Jamis Aero Carbon