Jamis Allegro 4 2010 Technical specs and features

Brand Jamis
Model Allegro 4
First production 2010
Bike category Commuter
Bike sub-category City Commuter
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Parts And Accessories Jamis Allegro 4 Parts   
Available Sizes - 15 (inches) / 38.1 (cm)
- 15 (inches)
- 17 (inches) / 43.18 (cm)
- 17 (inches)
- 19 (inches) / 48.26 (cm)
- 19 (inches)
- 21 (inches) / 53.34 (cm)
- 21 (inches)
- 23 (inches) / 58.42 (cm)
- 23 (inches)


Wheels And Breaking System

Bike front tire700 X 28c Vittoria Rondenour
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type Tektro RX-1.0 Levers
Tektro RX-1.0 Mini V With Modulator Front and Tektro RX-1.0 Mini V Rear Brakes
Hubs for disc brakesAlex ALX-200
Rims manufacturer 20-hole and 24-hole
Alex ALX-200
Spoke nipples typeNot Available
Spoke wheel 14ga.
DT Champion

Frame and Body Specifications

Frame materials6061 Triple Butted Aluminum With Hydroform TT & DT
Frame typeTIG-welded
Handlebar constructionJamis Alloy Flat Bar
Handlebar extenderOptional
Handlebar stem detailsNVO F-2 Adjustable
Headset size1 1/8 (inches) Threadless FSA Integrated IS

Gearing Specs

Bicycle chainKMC DX10SC
Bottom bracket shell width68 (millimeters)
Bottom bracket type 108 (millimeters) Spindle
FSA Powerdrive
Crankset parts and sizes 50/34 Teeth
FSA Vero Compact With Power Drive
Gear shift leversShimano SL-R770 Rapidfire Plus SL
Rear gear set 11 - 25 Teeth
10-speed

Jamis Allegro 4 Fork System Data

Derailleur (Front) Bottom Pull
Shimano R770
Derailleur (Rear)Shimano 105
Fork material Unicrown Crown
Carbon Composite
Fork typeJamis

Other Specs of Jamis Allegro 4

Component group setsCo (millimeters)uter Mix
Available colors - Gloss Black and Pearl White
Weight Unspecified
Pedals detailsAlloy Platform
Rear shock absorberNot Available
Saddle seatSelle San Marco Ischia
Seat post extension 27.2 (millimeters) Diameter
Jamis Carbon Fiber Micro Adjust


Jamis Allegro 4 bike review

Jamis produced the Allegro 4 bike in 2010 and can be classified as a Commuter bicycle.
Allegro 4 bike is available in many sizes such as 15 (inches), 17 (inches), 19 (inches), 21 (inches) and 23 (inches).
Jamis Commuter Allegro 4 can be found in a few colors, among these colors Gloss Black and Pearl White .
This bike is equiped with 700 x 28c Vittoria Rondenour tires and DT Champion spoke wheel while the rims are manufactured by Alex ALX-200, 20-hole/24-hole. Jamis equiped this exact model with Tektro RX-1.0 mini V with Modulator front/Tektro RX-1.0 mini V rear brakes, Tektro RX-1.0 levers braking system and Alex ALX-200 hubs.
To guarantee the comfiest ride Jamis used 6061 Triple Butted Aluminum with Hydroform TT & DT material for the frame. Jamis alloy flat bar high strength material is used on the handlebar of this Allegro 4 to ensure the perfect handling while the stems are made of NVO F-2 Adjustable.
For the smoothest biking experience FSA Vero Compact with Power Drive, 50/34 teeth is used on this bicycle linked to KMC DX10SC chain that is easily replaceable as stated by Jamis, the whole system is connected to a high reliability Shimano SL-R770 Rapidfire Plus SL gear shift levers.