2020 Jamis

Boss 7

A 26″ aluminum frame cruiser bike with mid-range components and rim brakes.
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MSRP$399
Weight33.2 lbs  
FrameAluminum
SuspensionRigid
ForkSteel
Wheels26″ Aluminum
Drivetrain1 × 7
GroupsetTourney, Shimano
BrakesRim
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

24 mph

Boss 7

23 mph

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Highest gear

(descending)

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Diamond frame design with 6061 aluminum oversized tubing, sloping top tube design, water bottle bosses, alloy kickstand, and painted steel chainguard

Fork

Oversized hi-tensile steel tubular unicrown with leading dropout and fender boss

Bottom Bracket

Sealed cartridge, 68 x 122.5mm

Headset

Internal cup, threaded, 1 1/8”

Stem

Alloy hi-rise, 180mm quill, 100mm extension, with removeable 2-bolt cap

Handlebar

Jamis Cruise-control comfort bar

Saddle

Boss Cruiser design with extra padding and heavy-duty, double-loop springs

Seatpost

Alloy micro-adjust, 27.2 x 300mm, with 31.8mm alloy clamp and cromo seatpin

TypeRigid

Pedals

Cruiser platform with grip tape

Grips

Comfort style

Groupset
Rear Derailleur

Shimano TY-300 rear

Crank

Forged alloy crank, 170mm alloy, with 44T compact disc chainring

Shifters

Shimano RevoShift RS-35, 7-speed

Cassette

Shimano, 14-28, 7- Speed

Chain

KMC Z51NP, silver

Brakes

Tektro alloy linear pull brake with Tektro CL530 alloy levers

TypeRim

Wheels
Rims

Alex Y303 36H black anodized alloy rims with alloy nutted hubs and 14 gauge stainless steel spokes

Tires

CST Metropolitan Palm Bay, 26" x 2.35

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Last updated April 27
Not listed for 1,426 days