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The Rockfire Ridge 27.5 is an Trail Focused MTB which is best suited for fast paced off-road and trail riding, this MTB can also be used for the occasional ride on City Roads.
The Polygon Premier 4 (2022) is an ideal off-road bicycle which can easily tackle the trails. The 27.5" wheel size also allows you to ride freely on city streets as well.
Frame
AL Tech 6061
AL6 XC Sport
Fork
Zoom Suspension Fork with 100mm travel and Lockout
Suntour XCM Suspension Fork with 120mm travel
Front Derailleur
Shimano Tourney TY700 3-Speed
Shimano Altus 2-Speed
Rear Derailleur
Shimano Acera M360 8-Speed
Shimano Acera M360 8-Speed
Number of Gears
24-Speed
16-Speed
Brakes
Logan Mechanical Disc Brakes
Tektro M-275 Hydraulic Disc Brakes
Tires
Maxxis Pace 27.5" x 2.1"
Entity Mitz 27.5" x 2.25"
Bicycle Weight
15.2kgs
15.3kgs
Wheel Size
27.5"
27.5"
Riding Purpose
Leisure/Fitness
Leisure/Fitness
Battery
(Electric Only)
-- N/A --
-- N/A --
Battery Placement
(Electric Only)
-- N/A --
-- N/A --
Motor
(Electric Only)
-- N/A --
-- N/A --
Shifters
Shimano EF500 Alloy Trigger Shifters; Left - 3-Speed, Right - 8-Speed
Shimano Altus 2x8-Speed
Break Levers
Shimano EF500 3-Finger
-- N/A --
Handlebar
MTB 680mm
Entity Sport Alloy 740mm
Stem
Alloy
Entity Sport
Seatpost
Steel with Adjustable Alloy Quick Release Lever
Entity Sport Alloy
Saddle
Ergonomic MTB Trail
Entity Void
Pedals
Neco Platform with Reflectors
PP
Rims
Double Wall Alloy
Alloy
Cassette
Shimano HG200 Hyperglide 8-Speed
Shimano Altus HG31 11/32T
Chain
Steel EF Ring
KMC Z-8.3
Crankset
24/34/42T Crank with 170mm Crank Arm
Alloy 42/34/24T
Hubs
14G x 36H Reinforced with Disc Mount
-- N/A --
Bottom Bracket
Threaded
Cartridge BB
Display
(Electric Only)
-- N/A --
-- N/A --
Mileage Pedal Asst.
(Electric Only)
-- N/A --
-- N/A --
Mileage Throttle
(Electric Only)
-- N/A --
-- N/A --
Charge Time
(Electric Only)
-- N/A --
-- N/A --
Battery Life
(Electric Only)
-- N/A --
-- N/A --
Motor Placement
(Electric Only)
-- N/A --
-- N/A --
Charger Type
(Electric Only)
-- N/A --
-- N/A --
Throttle Type
(Electric Only)
-- N/A --
-- N/A --
Pedal Asst. Levels
(Electric Only)
-- N/A --
-- N/A --
Lights
(Electric Only)
-- N/A --
-- N/A --
Safety Throttle Auto Cut-Off
(Electric Only)
-- N/A --
-- N/A --
Walk Mode
(Electric Only)
-- N/A --
-- N/A --
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