Bicycle Archive · Specification report

2011 Jamis 275

Velopedia Archive ID 23815

Overview

Model year	2011
Brand	Jamis
Model	275
Bicycle type	Juvenile
Archive ID	23815
Original MSRP	$325.00
Colors	Lavender pearl
Sizes	10"
Weight	26.75 lbs

Frameset

Frame construction	Aluminum
Frame material	Lightweigth 6061 Aluminum
Fork	Comfort unicrown
Fork material	Unicrown
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Shifters	Shimano RevoShift
Rear derailleur	Shimano TX31
Crankset	Forged Alloy, 38T teeth
Bottom bracket	Cotterless Type 3SB axle, 124.5mm spindle
BB shell width	68mm
Cassette	Indexed freewheel
Rear cogs	6-speed, 14 - 28 teeth
Chain	KMC HP20
Pedals	Comfort Style

Brakes

Brakes	Alloy Linear Pull brakes, alloy short reach levers

Cockpit & contact points

Headset	1 1/8" Standard threaded type
Handlebar	Comfort riser
Handlebar extensions	Not included
Stem	Hi-rise Comfort Quill-type
Saddle	Jamis Youth Comfort
Seatpost	Pillar, 27.2mm diameter

Wheels & tires

Hubs	Nutted
Rims	Alloy, 36-hole
Spokes	Nickel-plated, 14ga. (2.0mm)
Front tire	24 x 2.125" Brooklyn Speedway
Wheel size	24" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.