FAQ

GBomb Longboards General Info and FAQS

The G|Bomb Advantage
G│Bomb boards are deck systems that provide several advantages over traditional single piece decks. The advantages include infinitely adjustable truck angles, ample wheel clearance, modular design for travel, and improved flex distribution for superior strength and smoother ride.

G|Bomb Decks, Responsiveness, and Pumping
Our deck and bracket designs allow for the use of extremely responsive (loose) truck and bushing systems at a lowered platform height. When a G|Bomb deck is configured with an extremely responsive front truck/bracket system and less responsive rear system, the resulting performance enables "pumping", the type of riding shown here. We enjoy this type of riding and our Pump and Push|Pump completes are pump focused. With pumping, the rider propels themselves by shifting their weight as they enter and exit a turn. Learning it takes some practice, but once learned, the motion results in a very fun riding experience. Many first time riders are surprised by the responsiveness of the G|Bomb Push|Pump and Pump completes and this responsive ride quickly becomes comfortable for the rider.

If a more stable ride is desired, both our Push and Freeride configurations provide all the bracket advantages, but can be configured to be less responsive (more stable). However, since this is not currently our focus, we do not offer completes for these platforms. We are working on defining these completes, and will offer them once we are happy with the integrated systems.

Using G|Bomb brackets with an existing board or a custom deck.
We are proud to be part of bringing new life to an old deck with the addition of our brackets. We call the process G|Cycling. If you go this route, note that the deck will need to be modified to accommodate the brackets. Specifically, the deck will need to be shortened to maintain the proper flex. If it is not, the deck will likely have too much flex. It is a good idea to plan to keep the wheelbase fairly close to the original deck. These comments also are intended to be a guide for those constructing a platform from scratch.

The bolt pattern for the bracket/deck interface is new school and about 7/8" in from the end of the deck. This measurement is approximate and dependent on the geometry of the shock pad used at the bracket deck interface and also the bottom edge of the deck.

28" long platforms with 9" width are a preferred by many G|Cyclers. This popular size is a good fit with the brackets. For this size deck, here are some general guidelines to get a nice flex to complement the brackets.

  • For an all wood deck with 7 to 9 plies, plan on around about .5" thick.
  • For composite decks, plan on around .4" to .45" thickness.
  • Because the brackets load the deck in a non-traditional way, a good robust deck lay-up is recommended.

Also, to get a functional and aesthetically pleasing design is not trivial. Deck shaping takes craftsmanship. Peace of mind and taking your time is recommended. Again, we are so happy our brackets are part of your project. We want to do all we can to have your G|Cycling project turn out to be a great ride with a great look.

G|Bomb Adjustable Bracket vs. Pump Bracket for the front bracket... DECK HEIGHT TKP
The pump bracket is designed to be used with a Bennett 5.0 style truck with soft bushings and 75 mm wheels. The bracket is intended to tuck the truck in tight to the deck to optimize geometry and pumping leverage with wheel clearance. It also has the advantage of positioning the wheels proud of the front of the deck. If the deck gets away, this feature makes your wheels contact a curb instead of the bracket.

A G|Bomb front bracket has the advantage of being adjustable. It also can comfortably accommodate larger wheels because of the additional clearance. However, because the truck is positioned a few mm more forward, the skater has less pumping leverage. Also, since front trucks are rarely de-wedged, the extra material is not functional, but the symmetry with the rear bracket has appeal.

If the focus of your deck is optimal pumping with a comfortable drop, we recommend the Pump bracket (Pump configuration). If you are more focused on bigger wheels, free riding and/or carving, with some pumping, then the double standard drop G|Bomb setup (Freeride configuration) will be a good choice.

G|Bomb Adjustable Deep Drop vs. Super Fork for the front bracket DECK HEIGHT TKP
The Super Fork bracket is designed to be used with a Bennett 5.0 style truck with soft bushings and 75 mm to 90 mm wheels. It is intended to tuck the truck in close to the deck to optimize geometry and pumping leverage with wheel clearance, even for larger wheels. The super-fork also has the advantage of positioning the wheels proud of the front of the deck. If the deck gets away, this feature makes your wheels contact a curb instead of the bracket.

A G|Bomb front bracket has the advantage of being adjustable. It also can comfortably accommodate very large wheels because of the additional clearance. However, because the truck is positioned more forward, the skater has less pumping leverage. This combined with the loss of leverage from the aggressive drop makes pumping less efficient than with the Super Fork. Also, since front trucks are rarely de-wedged, the extra material is not functional and adds weight and cost.

If the focus of your deck is to optimize pumping with a comfortable drop, we recommend the Super Fork drop through bracket (Push|Pump). If you are more focused on pushing, with some free riding and carving, and less pumping, then the double deep drop G|Bomb (Push) setup will be a good choice.

Comments regarding performance and torque of the infinity bolts. DON'T OVER-TIGHTEN!
A note regarding our infinity bolts. The infinity bolts are a type of bridge bolt that are constructed of stainless steel and manufactured by seating the studs into the sheet metal according to the stud manufacturers specification and tooling. The resulting press fit has the following performance data.

Please take care not to over-tighten the infinity bolts and to use them only with properly sized clearance holes for 10-32 screws (diameter of .201" or 13/64"). The result of over tightening, and/or over-sized clearance holes, is that the surface of the fastener becomes cupped and the press fit performance becomes compromised. Below we show the cupped surface resulting from exceeding the max nut tightening torque.

A general rule for getting a good, and fairly consistent, torque is to tighten about 1/4 turn past the initial snug engagement, and a little more if a shock pad is being used. Note this rule is a generalization. Only with the use of a torque driver, or torque wrench, can the proper torque be confirmed.

Lift Kit Illustrations for Super Fork and Deep Drop Brackets

Platforms

Freewill from G|Bomb
The Freewill is our flagship platform. The symmetrical deck is produced by DB Longboards in Washington. The 28" long, 9.5" deck is constructed from 9 ply Canadian Maple. Varying ply thicknesses maximize strength and rebound without compromising on weight. Shaped to compliment any of our bracket combinations. Width 9.50” (9.30” at center).

Push|Pump Recipe
Freewill Platform - 9 ply Hardrock Canadian Maple, .0625" and .05" Plies.
Infinity Bolt Hardware
Khiro Shock Pads
Super Fork Drop-Thru Front Bracket
Bennett 5.0 front (Bushings swapped for our custom bushing recipe)
G|Bomb Deep Drop adjustable rear bracket
Tracker RTS129 Rear Truck
Otang 75mm In-Heat Wheels
Jehu Bearings and Spacers
Lift-Lower Kit to raise or lower the platform 7mm.

Pump Recipe
Freewill Platform - 9 ply Hardrock Canadian Maple, .0625" and .05" Plies.
Infinity Bolt Hardware
Khiro Shock Pads
Pump Front Bracket
Bennett 5.0 front (Bushings swapped for our custom bushing recipe)
G|Bomb 10mm Drop djustable rear bracket
Tracker RTS129 Rear Truck
Otang 75mm In-Heat Wheels
Jehu Bearings and Spacers

FreeRide Recipe
Freewill Platform - 9 ply Hardrock Canadian Maple, .0625" and .05" Plies.
Khiro Shock Pads
G|Bomb 10mm Drop adjustable bracket front and back
Randall II 50 Degree Trucks - 180mm hangers - Front and Rear
Otang 75mm In-Heat Wheels
Jehu Bearings and Spacers