Bicycle Archive · Specification report

2021 Jamis Boss Cruiser 7

Velopedia Archive ID 900001715

Overview

Model year	2021
Brand	Jamis
Model	BOSS CRUISER 7
Bicycle type	Cruiser
Archive ID	900001715
Original MSRP	$579.95
Colors	Amber Wave, Blueberry, Gloss Black
Sizes	17; 19; 21; 23
Weight	33.25 lbs

Frameset

Frame construction	Diamond frame design with 6061 aluminum oversized tubing, sloping top tube design, water bottle bosses, alloy kickstand, and painted steel chainguard
Frame material	Steel
Fork	Oversized hi-tensile steel tubular unicrown with leading dropout and fender boss
Fork material	Steel

Drivetrain

Component group	Shimano TY-300 rear
Shifters	Shimano RevoShift RS-35, 7-speed
Rear derailleur	Shimano TY-300 rear
Crankset	Forged alloy crank, 170mm alloy, with 44T compact disc chainring
Bottom bracket	Sealed cartridge, 68 x 122.5mm
Cassette	Shimano, 14-28, 7- Speed
Chain	KMC Z51NP, silver
Pedals	Cruiser platform with grip tape

Brakes

Brakes	Tektro alloy linear pull brake with Tektro CL530 alloy levers

Cockpit & contact points

Headset	Internal cup, threaded, 1 1/8”
Handlebar	Jamis Cruise-control comfort bar
Stem	Alloy hi-rise, 180mm quill, 100mm extension, with removeable 2-bolt cap
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

Wheels & tires

Wheels	Alex Y303 36H black anodized alloy rims with alloy nutted hubs and 14 gauge stainless steel spokes
Front tire	CST Metropolitan Palm Bay, 26” x 2.35
Rear tire	CST Metropolitan Palm Bay, 26” x 2.35
Wheel size	26

Geometry · 17

Effective top tube	586 mm
Head tube	110 mm
Head-tube angle	69°
Seat-tube angle	70°
Chainstay / rear center	487 mm
Wheelbase	1091 mm
Bottom-bracket height	277 mm
Standover height	736 mm
Fork offset / rake	35 mm

Geometry · 19

Effective top tube	595 mm
Head tube	125 mm
Head-tube angle	70°
Seat-tube angle	70°
Chainstay / rear center	487 mm
Wheelbase	1090 mm
Bottom-bracket height	277 mm
Standover height	755 mm
Fork offset / rake	35 mm

Geometry · 21

Effective top tube	614 mm
Head tube	150 mm
Head-tube angle	70°
Seat-tube angle	70°
Chainstay / rear center	487 mm
Wheelbase	1109 mm
Bottom-bracket height	277 mm
Standover height	799 mm
Fork offset / rake	35 mm

Geometry · 23

Effective top tube	624 mm
Head tube	200 mm
Head-tube angle	70°
Seat-tube angle	70°
Chainstay / rear center	487 mm
Wheelbase	1119 mm
Bottom-bracket height	277 mm
Standover height	850 mm
Fork offset / rake	35 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 14, 2026.