Bicycle Archive · Specification report

1998 Giant Mosh Pro XL 4130

Velopedia Archive ID 75663

Overview

Model year	1998
Brand	Giant
Model	Mosh Pro XL 4130
Bicycle type	BMX
Archive ID	75663
Original MSRP	$319.99
Colors	Chrome-plated, matte black
Sizes	Pro XL
Weight	22.5 lb

Frameset

Frame construction	TIG-welded
Frame material	4130 chromoly
Fork	Giant
Fork material	4130 chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	1-piece chromoly, 44 teeth
Bottom bracket	Tien Hsin TH-508
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	KMC Anti Rust, 1/2 x 1/8"
Pedals	Wellgo platform

Brakes

Brakes	Dia-Compe brakes, Dia-Compe MX-1 levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset SX-1
Handlebar	Mosh chromoly
Handlebar extensions	N/A
Stem	Mosh
Saddle	Mosh
Seatpost	Kalloy SP-243, 29.2mm diameter

Wheels & tires

Hubs	Formula nutted
Rims	Aluminum, 36-hole
Spokes	Stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.125" Tioga Comp III, Rear: 20 x 1.75" Tioga Comp III
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	530.9 mm
Head-tube angle	74°
Seat-tube angle	71°
Chainstay / rear center	384.8 mm
Wheelbase	950 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 1, 2026.