View source for Seismic G4 105mm 30-Degree Spring Trucks

{{Infobox truck
| title = {{PAGENAME}}
| image   = Seismic G4 105mm 30 Degree Spring Truck (Inside Angle).JPG
| caption = Inside View
| image_size = 
| social = {{Social links
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| make = Seismic Skate Inc.
| model = Stable-Turn 30 Degree Spring Trucks
| series = 
| hanger_width_inch = 4.13"
| hanger_width_mm = 105 mm
| axle_width_inch = 6.875"
| axle_width_mm = 175 mm
| axle_height_inch = 2.36"
| axle_height_mm = 60 mm
| axle_diameter = 7.95  mm
| axle_features = 
| speed_washers = Comes with 4 Washers
| profile = High
| mounting_holes = New and Old-School
| weight_oz = 14.2 oz.
| weight_g = 402.5 g
| baseplate_width_inch = 2.14"
| baseplate_width_mm = 54 mm
| baseplate_length_inch = 3.1"
| baseplate_length_mm = 79 mm
| hanger_features = 
| hanger_finish = Raw
| baseplate_features = Hybrid two-part baseplates (metal lower, composite upper)
| baseplate_finish = 
| pivot_cavity = 
| colors = Raw
| materials = 
| construction = 
| geometry = 30° for stable turning
| design = 
| special_features = 
| pogo_platform = Large Surface Area
| kingpin_profile = Low
| inverted_kingpin = Yes
| kingpin_features = Bulletproof kingpin fastening. Kingpin shoulder recessed inside baseplate for greater strength.
| bushing_cups = 
| bushing_features = None. Progressive-rate dual spring system with tension adjustment and anti-buckling.
| hardware_included = [[Axle Washers]] and Axle Nuts. Comes with a 7/32″ Allen wrench for the kingpin and a 1/8" Allen wrench for spring adjustment.
| origin = China
| warranty = Seismic trucks are guaranteed against defects in material and workmanship. This guarantee does not cover trucks worn out as a result of natural use.
| reviews = 
| introductory_price = $29.99 ea.
| msrp = 
| upc = 
| patent_country = United States
| patent_number  = 5,263,725
| patent_url     = http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,263,725.PN.&OS=PN/5,263,725&RS=PN/5,263,725
| release_month = 
| release_day   = 
| release_year  = 1993
| discontinued = 2012
| retail_availability = 1993-2012
| deck_compatibility = 7.0-7.4"
| pros = 
| cons = 
| skated_by = 
| contributors = 
}}
==Gallery==
<gallery>
File:Seismic G4 105mm 30 Degree Spring Truck (Outside).jpg|Outside View
File:Seismic G4 105mm 30 Degree Spring Truck (Top).jpg|Top View
File:Seismic G4 105mm 30 Degree Spring Truck (Baseplate).JPG|Bottom of Baseplate
File:Seismic G4 105mm 30 Degree Spring Truck (Side 1).jpg|Side View
File:Seismic G4 105mm 30 Degree Spring Truck Package.jpg|Package
File:Seismic G4 105mm 30 Degree Spring Truck (Inside).JPG|Inside View
File:Seismic G4 105mm 30 Degree Spring Truck (Kingpin Nut).jpg|View of Kingpin Nut
File:Seismic G4 105mm Spring Trucks (Instructions 1).jpg|Instructions Page 1
File:Seismic G4 105mm Spring Trucks (Instructions 2).jpg|Instructions Page 2
File:Seismic G4 105mm 30 Degree Spring Truck (Side 2).jpg|Side View
</gallery>