TWEET 28 Rim

MSRP 70.00 US$ / 69.90 €

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Specs :

Key Technologies :
Oohbah™
Material :
6 Series Alloy
Size (in.) :
26"
Weight (g) :
±540
Hole Count :
32H
Inner / Outer Width :
23 / 28
Valve :
A/V Schrader
Tubeless :
Not recommended
Finish :
Brush anodized, decal logos
ERD (mm++):
526
ETRTO (mm):
559x23
Discipline :
Freeride
Colors :
BlackRedBlueOrangePurple

Description :

TWEET 28 Rims were designed and purpose built for Dirt Jump application, but have become a favorite of mountain bikers everywhere. This budget oriented 6-Series alloy 26” rim delivers incredible tire security, a reasonably light weight, and almost indestructible construction. A 23mm internal width compliments light weight, moderately wide tires perfectly, offering added support to the side walls to reduce rollover and tire blow-off. No wonder dirt jumpers all over the world have turned to TWEET.

Oozy 345 Trail

The technology behind this product

Oohbah™

Inverted tube well design for greater cross sectional strength - wider, lighter rims.

The unique OohBah™ profile allows us to manufacture thinner walled, wider profiled, lighter rims without sacrificing strength or rigidity. Wider rims mean stiffer wheels and more tire spread, leading to greater traction and improved comfort, and tire performance. The “wave” shape of the OohBah™ inner tube adds strength and support to the vertical rim flange walls and prevent buckling. Normal straight or curved tube wells must be much thicker, and by default heavier, to offer the same support.

The most important features of any rim are rigidity and weight. Rigidity or stiffness means more of your energy is transferred into drive force, (rather than flex) and acceleration/cornering/braking performance is improved. Reducing rolling weight in your wheels, more so than any other part on your bike, can dramatically reduce the energy needed to propel it forward. Take a look at a cross section of any given rim on the market. You’ll see that both the outer and inner walls are concave. Now check out a SPANK rim. Our unique patented OohBah™ profile is characterized by its inverted tube well. This increases rigidity immensely compared with conventional rim designs. The combination of a concave outer wall with a convex inner tube well, results in the addition of a new, never before seen “hoop strength” in the profile, which lends massive strength and stiffness to the rim as a whole, and places the center of inertia in the optimum position nearer the center of the profile.

BEADNIP™

Improved tire fit.

Another secret of SPANK’s patented OohBah™ profile, is our double BeadNip™ technology. The OohBah™ patent includes the addition of a second set of “nips” on the inner tube well which ensures that the tire always remains in the bead-seat, even when riding at minimal air pressures. With SPANK’s OohBah™ patented rims, you can ride the tires you want, at the pressure you want, on any terrain …with far less fear of flats!

Traditional rim designs include only one set of bead hooks on the vertical walls or rim flanges. The vertical hooks are crucial for tire retention. Without the bead hooks, the bead can slip inwards, leading to snake bites (pinch flats). In tubeless applications, BeadNip™ also acts to trap the bead, preserving the seal between tire and rim, enhancing air pressure longevity and reducing annoying “burps”.

MGR

Micro grain refinement processed alloys.

Micro Grain Refinement - Processes such as extrusion, forging and tube drawing can increase the strength of alloy materials by reducing the grain size. SPANK uses state of the art proprietary metal forming methods which further improve grain size consistency and orientation, and significantly reduce grain size beyond that of our competitors. No other bars or rims are subjected to the number of drawing steps or level of refinement as those offered by SPANK. This leads to greater ultimate strength, toughness, and ductility ... meaning confidence, comfort and safety.