Jamis BOSS CRUISER COASTER 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Suspension Rigid
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Drivetrain Single Speed
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Brakes Coaster
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Diamond frame design with 6061 aluminum oversized tubing, sloping top tube design, water bottle bosses, alloy kickstand, and painted steel chainguard
Suspension Fork
Oversized hi-tensile steel tubular unicrown with leading dropout and fender boss
Drivetrain
Rear Derailleur
N/A
Shift Levers
N/A
Cassette
18T
Crank
Forged alloy crank, 170mm alloy, with 44T compact disc chainring
Bottom Bracket
Sealed cartridge, 68 x 122.5mm
Chain
KMC Z410NP, silver
Pedals
Cruiser platform with grip tape
Wheels
Rims
Alex Zuma 36H black anodized alloy rims with alloy nutted front hub and Hi-Stop CB rear, 14 gauge stainless steel spokes
Tires
CST Metropolitan Palm Bay, 26” x 2.35
Brakes
Brakes
Hi-Stop coaster brake
Cockpit
Stem
Alloy hi-rise, 180mm quill, 100mm extension, with removeable 2-bolt cap
Handlebar
Jamis Cruise-control comfort bar
Grips
Comfort style
Headset
Internal cup, threaded, 1 1/8”
Seat
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
