BeST Wheels By Far


Blackstone takes the Win! – German  Wheels Test

The Best Carbon Fiber Wheels in the World ( apologies  – Google translate from the original German )

PS Judgement Summary

clip_image002

PS-test-results

Lighter wheels yes or no? Ask the most experienced driver. What do they bring? They improve the handling?  Is it worth the investment? Are there any disadvantages at all? Here are the answers. Are there any disadvantages at all? what are the Best Carbon Fiber Wheels in the World? – Here are the answers. 

In this article: BMW S 1000 RR 


Accessories Wheels of seven manufacturers were tested on the BMW S 1000 RR.  

Photo: mps Photo Studio

IN THIS ARTICLE

1   Comparison Test Equipment Wheels

2   How We Tested HP

3   BMW series

4   BST Black Diamond (PS Test winner)

5   Dymag CA5

6   Galespeed Type S

7   Marchesini Genesi M7RS

8   Oz Piega R

9   PVM 6-spoke racing

10 RotoBox RBX 0FA/ORA

11 PS judgment


Some years ago the motorcycle world was still pleasantly simple. Cast series wheels weighed heavy as lead, and who wanted to improve the handling of his sweetheart, treated himself to a set of wheels from the after-market. However, thanks to modern production technology to shrink the wall thicknesses of Erstausrustungsradern, the weight difference to forged and thus always less expensive material falls out. “In the pure weight it is not at all”, called after the accessories industry alarmed the dwindling clientele. “It is important, where it sits.” Pure sales strategy or tangible facts? We wanted to find out more and wheels were ordered from different materials of all major equipment manufacturers in order to compare them with serial counterparts. As a test machine we chose the BMW S 1000 RR. For them, every manufacturer / importer had wheels in stock or could obtain it in the short term. The results of this test are only partially transferable to other bikes. Different series wheels, a different suspension geometry and balance do not allow absolute comparison. Trends provides the test but all.


Who’s with me?
Also on board are seven manufacturers: BST, Dymag (both with carbon wheels), Galespeed, Marchesini, OZ, PVM (all forged aluminum) and RotoBox (carbon).But most companies give further light rims in the program. This applies to both the dimensions and the intended use (racing, highway), for the design or material. Tip: surf over to the website of the manufacturer and get an overview over the offer. OZ Racing and PVM sent models with “full-floater discs”.These fully floating discs at the same extreme conditions (racing) the expansion and contraction of the discs better and so prevent warp them. Disadvantage: The bearing wears out faster, the wheels need to be replaced sooner. Fit all the other wheels (semi-floating) according to standard or adapted accessory discs.


clip_image004The “auditor Inertia Chronograph” determines the moment of inertia (MOI) to two decimal places.  

Photo: Jacob


 

What to come?

First and foremost, it is onto the mass moment of inertia (MOI). The abbreviation comes from English and means “Momentum Of Inertia”. The unit is specified in kg.cm². The MOI determines the resistance of a body, which is set in rotation or braked thereof. The more the mass of the axis of rotation is located (in our case or axle), the higher the MOI. What does this mean for bikes? This physical condition has a direct impact on handling.Wheels with low MOI improve the manageability and vice versa. The accessories industry is so right in saying that it came to the distribution of mass on. A little experiment illustrates this sample side, we packed up exactly 620 g of additional weight directly to the hub about a three-pound front wheel. Without this, the inertia weight was 858 kg.cm², with weight 861 kg.cm². The MOI was therefore only 0.35 percent higher, although the total mass increased by about 20 percent! The technical data of the wheels, and more are in the boxes.


What was on?

gratifying: All wheels are very well spaced-out and fit perfectly into the bike. The discs run centrally in the calipers, also determines the chain alignment. For this, the spacers are fixed to the wheel. The annoying “Klong” falling out jacks eliminates the wheelarches. Less satisfactory: For two manufacturers (Dymag, RotoBox) fell slightly from the rear wheel spacers too tight. The axle did not fit through the guide, the jacks had to be sharpened somewhat. RotoBox surprised also with small air bubbles in the clear coat. In addition, two of the screws Kettenradbefestigung were so steadfast that they could not even solve the impact wrench. The same goes for the fitting of the front brake discs with PVM.


The favorite event of PS: Driving tests on the Renne. A total of eight sets of wheels went through the test.  

clip_image006Photo: Frank’s Photo Service

And while driving?
 The good news: All the wheels improve the handling of the BMW felt. In this respect, the carbon parts of Dymag and RotoBox are at the forefront. Satisfy small steering inputs, the S 1000 RR is already working voluntarily in the corners. However, the light wheels also pay tribute. In the ultra-fast Parabolic curve of the Hockenheim circuit course the CART starts to oscillate significantly. In extreme cases, this means that gas to! Obviously, a bike needs some stabilizing centrifugal forces to quietly pull his car. “Our bikes need a different suspension setup, especially more compression damping,” says Norbert Backes Dymag importer. “Easy to install and get started rarely works.”

Road use permits?
 A sensitive issue is the approval. According to a final judgment of the Administrative Court of Baden-Wurttemberg (Az 10 S 1857/09) will invalidate the approval of a vehicle only if a hazard anticipation of the change starts. So in fact the manufacturers of wheels designed for public roads shall be approved without a trial for the traffic. Condition: The wheels must have the same dimensions as the standard parts. Unfortunately, this has not yet gotten around to all the examiners responsible organizations (TUV, DEKRA Technical Monitoring Association), anger is therefore not excluded. Playing it safe is, who gets an ABE by the manufacturer. But it is not necessary, at least theoretically.


Comparison Test Accessories Wheels (part 2)

How We Tested HP

clip_image008
As a control tire for the test of Continental Race Attack Comp served. Endurance.  

Photo: Jacob


Inertia 25 points: 
After a fixed point key we distribute counters for the mass moment of inertia (MOI). A though theoretical, yet important value. Because the lower the MOI fails, the closer the mass is at the axle, which improves handling. The large Kunst Räderbau is rim to construct low MOI while high stability. 

Driving test 50 points: 
For important criterion we awarded 50 of a maximum possible 100 points. How much force is required for the pilot steering into corners? How easy it is to maneuver through curves change the bike? If it remains on track or it tends to understeer ( “Running-wide”)? The driving stability plays a major role. Ballert the CART quiet around the radii or rocks it on in fast corners? Although some test candidates dotted with excellent handling, but were springs in the stability. We always drove with identical fuel loads. 

Handling / processing 25 points: 
For processing include, for example, the unbalance of the wheels, we measured course without valve. Even paint, screw, fit and general finish one of them. When it comes to handling, we ensure, among other things on fixed spacers.


Comparison Test Accessories Wheels (Part 3)

BMW Seriesclip_image010

BMW series  

Photo: mps Photo Studio

Contact
 BMW dealer 
bmw-motorrad.de Price per set (without wheels): 1218 EUR Material: cast aluminum * Weight in kg: 7.29 front, 8.95 rear MOI in kg x cm² *: front 1675 Rear 1616 Static wheel load in kilograms: front 180, rear 270 discs originals used: yes unbalance in grams: front 7, rear 25

Evaluation criteria maximum score Points
Moment of inertia 25 12
Driving Test 50 38
Processing / handling 25 18
Total points 100 68

Conclusion 
With the heavy series BMW wheels angled significantly from the bulkiest. The finish is molded for mass-produced in order, but the competition has forged fine. The sprocket hangs loosely between the rear wheel dampers and can fall out when changing a wheel – point deduction in handling. The biggest advantage is the price.

Judgment
satisfactory to sufficient

* Complete with washers


GO TO PAGE 4: BST BLACK DIAMOND (PS TEST WINNER)

clip_image012Comparison Test Accessories Wheels (Part 4)

BST Black Diamond

(PS Test winner)

BST Black Diamond (PS Test winner).  

Photo: mps Photo Studio

Contact
BST Europe, 5342 PZ Oss, The Netherlands, Tel 0031/412 693 577 
www.europemotoparts.com Price per set (without wheels): 2926 EUR Material: Carbon * Weight in kg: 6.99 front, 6.35 rear MOI in kilograms x cm² *: front 1220, rear 893 static wheel load in Kg: front 150, rear 250 original discs used: yes unbalance in grams: front 15, rear 30

Evaluation criteria maximum score Points
Moment of inertia 25 23
Driving Test 50 43
Processing / handling 25 21
Total points 100 87

Conclusion
Despite the low MOI zirkelt BMW not footed by the radii as the precious metal competition. Apparently, the relatively high weight of the front wheel still affects on handling. The price is significantly higher than that of the forged wheels, a case for lovers. Except for a significant imbalance in both, the BST wheels are top handlers. Test victory!

Judgment
very good to good


DYMAG CA5

clip_image014

Comparison Test Accessories Wheels (Part 5)

Dymag CA5

Dymag CA5.  

Photo: mps Photo Studio

Contact
Norbert Backes, 47506 Neukirchen, tel 02157/872454 
www.carbon.de Price per set (without wheels): 2900 EUR Material: Carbon * Weight in kg: 5.72 front, 5.82 rear MOI in kilograms x cm² *: front 1180, rear 807 kg Static wheel load in front: 185, rear 270 original discs used: yes unbalance in grams: front <5, rear 25

Evaluation criteria maximum score Points
Moment of inertia 25 24
Driving Test 50 35
Processing / handling 25 18
Total points 100 77

 Conclusion
Second Lowest moment of inertia of the test. These billets, the BMW works by itself from without being nervous – great! However, the bike rocks in the Parabolic curve on strong, apparently missing stabilizing gyroscopic forces. Deduction in processing due to close spacers and imbalance. Wheels for setup professionals!

Judgment
satisfactory to good


 GALESPEED TYPE S

clip_image016

Comparison Test Accessories Wheels (Part 6)

Galespeed Type S

Galespeed Type S.  

Photo: mps Photo Studio

Contact
Gilles Tooling, L-6868 Luxembourg, 0035/2267893-1 
www.gillestooling.com Price per set (without wheels): 2499 EUR Material: Forged Aluminum * Weight in kg: 6.85 front, 7.57 rear MOI in kilograms x cm² *: front 1505, rear 1367 Static wheel load in kg: front 190, rear 280 original discs used: yes unbalance in grams: front <5, behind <5

Evaluation criteria maximum score Points
Moment of inertia 25 16
Driving Test 50 43
Processing / handling 25 23
Total points 100 82

Conclusion
The attractive multi-spoke wheels shine with a top processing. And despite the relatively high weight and MOI, the S 1000 RR as nimbly plowing the runway as the handiest forge competition. Only the lightest carbon wheels are handy. Apparently the design is perfectly sophisticated. With the BMW rims harmonize excellently.

Judgment
good


MARCHESINI GENESI M7RS

clip_image018


Marchesini Genesi M7RS

Marchesini Genesi M7RS.  

Photo: mps Photo Studio

Contact
Hostettler, 79379 Home Phone 07631/18040 
www.hostettler.de Price per set (without wheels): 2398 – (without chain) Material: Forged Aluminum * Weight in kg: 6.91 front, 7.08 rear MOI in kg x cm² *: front 1465, rear 1210Static wheel load in kg: front 185, rear 280 original discs used: yes unbalance in grams: front <5, rear 0

Evaluation criteria maximum score Points
Moment of inertia 25 18
Driving Test 50 41
Processing / handling 25 23
Total points 100 82

 Conclusion
On the Marchesini swirls the BMW a bit unwieldy around the course than on the wheels of Galespeed or PVM. But the difference is marginal. The great nowhere processed wheels give a nakedness. On the contrary, the only test of the rear wheel has zero balance! Even the price is ok, with the Italians can not go wrong.

Judgment
good


OZ PIEGA R

clip_image020

Comparison Test Accessories Wheels (Part 8)

Oz Piega R

Oz Piega R.  

Photo: mps Photo Studio

Contact
Alpha Racing, 83071 Stephan churches, tel 08036/303101 
www.alpharacing.com Price per set (without wheels): 2297 EUR Material: Forged Aluminum * Weight in kg: 6.64 front, 6.38 rear MOI in kg x cm² *: front 1415, rear 1153Static wheel load in kg: front k A, k A rear original brake discs used: no unbalance in grams: front <5, behind <5

Evaluation criteria maximum score Points
Moment of inertia 25 19
Driving Test 50 41
Processing / handling 25 23
Total points 100 83

 Conclusion
For the also built in Italy by OZ wheels is the same as for the Marchesini’s Super processed very passable handling, and with around 2,300 euros, the wheels are once again a hundred cheaper. That they are one point ahead of their country sisters, they owe something to their lower inertia. Result: number two!

Judgment
good


PVM 6-SPOKE RACING

clip_image022

Comparison Test Accessories Wheels (Part 9)

PVM 6-spoke racing

PVM 6-spoke racing.  

Photo: mps Photo Studio

Contact
PVM Vetterolf, 68199 Mannheim Tel 0621/853 172 
www.pvm.de Price per set: 3,100 euros complete (with washers) ** Material: Forged Aluminum * Weight in kg: 6.7 front, 6.46 rear MOI in kg x cm² *: front 1344, rear 1063 Static wheel load in kg: front 200, rear 300 original discs used: no unbalance in grams: front 5, back 5

Evaluation criteria maximum score Points
Moment of inertia 25 20
Driving Test 50 43
Processing / handling 25 19
Total points 100 82

 Conclusion
Lightest mass moment of inertia of all metal gears and an excellent handling speak for the PVM-pairing. A weakness but they afford in mounting the front brake discs: cheap-looking screws that were apparently glued firmly. Without this (avoidable) taint the PVM were ranked number two.

Judgment
good


ROTOBOX RBX 0FA/ORA

clip_image024

Comparison Test Accessories Wheels (Part 10)

RotoBox RBX 0FA/ORA

RotoBox RBX 0FA/ORA.  

Photo: mps Photo Studio

Contact
Zupin Moto-Sports, Traunreut 83301, Tel 08669/8480 
www.zupin.de Price per set (without wheels): 3522 EUR Material: carbon weight in kilograms *: front 5.73, rear 5.50 x MOI in kilograms cm² *: front 1148, rear 723 static wheel load in Kg: front 150, rear 250 original discs used: yes unbalance in grams: front 10, rear 10

Evaluation criteria maximum score Points
Moment of inertia 25 25
Driving Test 50 35
Processing / handling 25 14
Total points 100 74

 Conclusion
The lightest wheels with the lowest MOI land far behind. The driving behavior is similar to that of Dymags: Ultra Handy but commutes in the Parabolic and stirs the BMW quite pronounced. It accompanies the Slovenian wheels at a nakedness Finish: passungenaue spacer, air bubbles in the clear coat to proof chain wheel.

Judgment
satisfactory


GO TO PAGE 11: PS JUDGMENT

clip_image026

Comparison Test Accessories Wheels (Part 11)

PS judgment

The evaluation of the wheelsets at a glance.  

Photo: Archive

The orange bars show the mass, the gray mass moment of inertia. Form the basis of the percentage comparison series wheels with 100%. To the front of BST does have 95% of the mass of the series, but only 73% of the MOI. Episode: super mass distribution.