Bicycle Archive · Specification report

1999 Schwinn HydraMatic "Jay Miron Signature Model"

Velopedia Archive ID 86928

Overview

Model year	1999
Brand	Schwinn
Model	HydraMatic "Jay Miron Signature Model"
Bicycle type	Freestyle/jumping
Archive ID	86928
Original MSRP	$549.95
Colors	Army Green

Frameset

Frame construction	TIG-welded
Frame material	Chromoly
Fork	Schwinn
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Schwinn XS 2-piece, 44 teeth
Bottom bracket	Schwinn XS sealed bearing
Rear cogs	1-speed, 16 teeth
Chain	1/2 x 1/8"
Pedals	Schwinn XS aluminum

Brakes

Brakes	Tektro 909A brakes, Tektro levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset SB-1 w/SST Oryg detangler
Handlebar	Schwinn XS Pro 4-piece chromoly
Handlebar extensions	N/A
Stem	Schwinn XS
Saddle	Schwinn Rally Stripe
Seatpost	Schwinn XS layback micro-adjust chromoly, 26.6mm diameter

Wheels & tires

Hubs	Schwinn XS alloy
Rims	Alex FTS-25, 48-hole
Spokes	Stainless steel, 2.3mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.95" Schwinn XS Hucker
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.