Jamis BOSS CRUISER 7 2025
Bike details
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum
-
Groupset Tourney
-
Suspension Rigid
-
Drivetrain 1 × 7
-
Brakes Tektro Rim
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
Shimano TY-300 rear
Shift Levers
Shimano RevoShift RS-35, 7-speed
Cassette
Shimano, 14-28, 7- Speed
Crank
Forged alloy crank, 170mm alloy, with 44T compact disc chainring
Bottom Bracket
Sealed cartridge, 68 x 122.5mm
Chain
KMC Z51NP, silver
Pedals
Cruiser platform with grip tape
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
Brakes
Brakes
Tektro alloy linear pull brake with Tektro CL530 alloy levers
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
Fit data
Numbers for sizing and ride feel.
| Size | 17" | SM | 19" | SM | 21" | 23" |
|---|---|---|---|---|---|---|
| Bottom Bracket Height | 277 mm | 277 mm | 277 mm | 277 mm | 277 mm | 277 mm |
| Rake | 35 mm | 35 mm | 35 mm | 35 mm | 35 mm | 35 mm |
| Top Tube Length | 586 mm | 586 mm | 595 mm | 596 mm | 614 mm | 624 mm |
| Seat Tube Angle | 70 ° | 70 ° | 70 ° | 70 ° | 70 ° | 70 ° |
| Seat Tube Length | 432 mm | 356 mm | 483 mm | 457 mm | 533 mm | 584 mm |
| Head Tube Angle | 69 ° | 69 ° | 70 ° | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 110 mm | 110 mm | 125 mm | 110 mm | 150 mm | 200 mm |
| Chainstay Length | 487 mm | 487 mm | 487 mm | 487 mm | 487 mm | 487 mm |
| Wheelbase | 1091 mm | 1091 mm | 1090 mm | 1090 mm | 1109 mm | 1119 mm |
| Standover Height | 736 mm | 606 mm | 755 mm | 620 mm | 799 mm | 850 mm |
| Wheels | 26" | 26" | 26" | 26" | 26" | 26" |
