Bicycle Archive · Specification report

2008 Jamis Tyro 2.4

Velopedia Archive ID 24590

Overview

Model year	2008
Brand	Jamis
Model	Tyro 2.4
Bicycle type	Juvenile mountain bike, suspension
Archive ID	24590
Original MSRP	$275.00
Colors	Mean Green, Gloss Black
Sizes	24" wheel
Weight	28.5 lb

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum
Fork	Jamis suspension, 45mm travel
Fork material	Single
Rear shock	N/A

Drivetrain

Component group	Mountain Mix
Shifters	SRAM MRX
Front derailleur	Shimano TZ30, top-pull/clamp-on
Rear derailleur	Shimaon TX30
Crankset	Alloy cotterless, 24/34 teeth
Bottom bracket	Cotterless
BB shell width	68mm English
Cassette	Indexed freewheel
Rear cogs	7-speed, 13 - 28 teeth
Chain	KMC Z51, 1/2 x 3/32"
Pedals	ATB style

Brakes

Brakes	Alloy Linear Pull brakes, alloy short reach levers

Cockpit & contact points

Headset	1 1/8" threadless AheadSet
Handlebar	ATB tapered
Stem	Jamis
Saddle	Jamis Jump
Seatpost	Alloy micro-adjust, 27.2mm diameter

Wheels & tires

Hubs	Quick release
Rims	Alloy
Front tire	24 X 1.95" CST ATB
Wheel size	24" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 7, 2026.