?? about wheels - aluminum Marchesini wheels - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 29 (permalink) Old 11-30-2011, 07:47 PM Thread Starter
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?? about wheels - aluminum Marchesini wheels

i have had to bikes with aluminum Marchesini wheels , there the best light and strong , plus if they get bent , you can have them fixed , unsprung weight is great with Marchesini wheels , rock , why dont i see any RC51 with them on ??? o and i have a 03 RC51 with stock 5 spoke wheels now , and i have to say im going to keep them fell great and are very light , i was just asking where are the marchesini at here are my old bikes with the wheels on

  • Penske triple adjustable shock Moriwaki linkage
  • forks , valves , springs ,top-out mod
  • Moriwaki rearsets
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  • Brembo 19 RCS Adjustable Ratio Radial Brake Master Cylinder
  • DID 520 gold chain
  • CRG folding clutch lever
  • Relocated battery Shortened wiring harness
  • Flapper PAIR EVAP removed
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  • 15/41 gears 520
  • Vortex clip-ons

Last edited by rc51anthony; 11-30-2011 at 07:52 PM.
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post #2 of 29 (permalink) Old 11-30-2011, 07:58 PM
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...why dont i see any RC51 with them on???
Well here's my baby wearing her Marchesini wheels.

Last edited by SubSailor; 11-30-2011 at 08:01 PM.
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post #3 of 29 (permalink) Old 11-30-2011, 08:40 PM
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Just a quick question on marchesini wheels and lighter wheels in general.

Along with the brake rotors and sprockets on the back wheel, what else does one have to swap off to fit Marchesini wheels?

Considering the weight of the bike, is a tiny reduction of weight really that noticeable? Like can the average joe feel the difference or does it take a pro at the track to really feel it.
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post #4 of 29 (permalink) Old 11-30-2011, 08:51 PM Thread Starter
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what i found out was at the track and around 90 mph ++ big difference , remember its not so much the total weight but where the weight is on the wheel , that makes unsprung , marchesini has most of the weight in the hub and very lite to outside edge , for every 8 lbs when moving is like 32 lbs , so even a 5 lb total loss is big , plus with lite wheels and sprockets and rotors , you get better stopping !! fast accelerating !! and turning back and fourth , i think in upgrading your bike there should be 1st suspension -- 2nd wheels ,brakes - 3rd lots of track days , LAST more power , only 2% of riders can out ride a stock bike power ,

  • Penske triple adjustable shock Moriwaki linkage
  • forks , valves , springs ,top-out mod
  • Moriwaki rearsets
  • Carbon Airbox heatshielding custom K&N panel filter
  • Power Commander USB
  • Galfer superbike full foating rotors - SS braided lines
  • Brembo 19 RCS Adjustable Ratio Radial Brake Master Cylinder
  • DID 520 gold chain
  • CRG folding clutch lever
  • Relocated battery Shortened wiring harness
  • Flapper PAIR EVAP removed
  • Soft Rev limiter removed
  • 15/41 gears 520
  • Vortex clip-ons
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post #5 of 29 (permalink) Old 11-30-2011, 09:25 PM
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Originally Posted by william747400 View Post
Just a quick question on marchesini wheels and lighter wheels in general.

Along with the brake rotors and sprockets on the back wheel, what else does one have to swap off to fit Marchesini wheels?

Considering the weight of the bike, is a tiny reduction of weight really that noticeable? Like can the average joe feel the difference or does it take a pro at the track to really feel it.
The Marchesini wheels for the RC51 use the same front and rear brake rotor bolt pattern, so you can swap over your OEM or aftermarket rotors with no problems.

The Marchesini wheels use sealed bearings with captive spacers (spacers that fit into the inner bearing race and are held in place) as opposed to the OEM wheels that use separate bearings and dust seals along with non-captive spacers (spacers that aren't held by the bearing races).

Also the Marchesini wheels use different bearings than those used by OEM wheels. This is not big deal as they use bearings commonly available from any bearing house.

The Marchesini wheels do use a different rear sprocket bolt pattern than OEM.
You will have to order rear sprockets that use a 5-bolt pattern with a 100mm bolt circle, and 76mm sprocket I.D.
These can be bought from Vortex, Renthal, Driven, and others.

The wheels are lighter than OEM wheels, especially at the rim, which is the most important area of weight loss.

Because wheels are really flywheels, the less weight at the rim, the less energy is required to overcome inertia to spin up (accelerating) or spin down (braking).
And since there is less weight at the rim (less gyroscopic force), the the bike turns much quicker.

Wheels made of magnesium are even lighter with even greater results, and BST carbon-fiber wheels have even larger results than magnesium.

None of these wheels are cheap.
Use to be the BST carbon wheels were much more expensive than even the magnesium Marchesini, but of late, the magnesium Marchesinis are almost at parity with the BST's (which have gone down slightly in price), so the performance advantage is with the BST at that price level.

Otherwise, the forged aluminum wheels are the way to go.
A bit less expensive, but still with a performance gain over OEM.

Last edited by SubSailor; 11-30-2011 at 09:30 PM.
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post #6 of 29 (permalink) Old 11-30-2011, 09:54 PM Thread Starter
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best way to feel the difference would be put the axle bolt in the wheel , and hold the wheel out away from your body , have someone spin the wheel as fast as one can , then as the wheel is spinning move the wheel side to side , this way you can feel the unsprung weight , and if you have a stock wheel and a after market wheel should feel a difference , stock wheel will be hard to move back and fourth . and a marchesini would be a lot easier,, . i hope this make seance

  • Penske triple adjustable shock Moriwaki linkage
  • forks , valves , springs ,top-out mod
  • Moriwaki rearsets
  • Carbon Airbox heatshielding custom K&N panel filter
  • Power Commander USB
  • Galfer superbike full foating rotors - SS braided lines
  • Brembo 19 RCS Adjustable Ratio Radial Brake Master Cylinder
  • DID 520 gold chain
  • CRG folding clutch lever
  • Relocated battery Shortened wiring harness
  • Flapper PAIR EVAP removed
  • Soft Rev limiter removed
  • 15/41 gears 520
  • Vortex clip-ons
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post #7 of 29 (permalink) Old 11-30-2011, 10:28 PM
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Originally Posted by rc51anthony View Post
best way to feel the difference would be put the axle bolt in the wheel , and hold the wheel out away from your body , have someone spin the wheel as fast as one can , then as the wheel is spinning move the wheel side to side , this way you can feel the unsprung weight , and if you have a stock wheel and a after market wheel should feel a difference , stock wheel will be hard to move back and fourth . and a marchesini would be a lot easier,, . i hope this make seance
Yep. I remember learning about this in my physics class. It's been awhile but I remember doing the same experiment above with a bicycle wheel. We'd sit in an office chair and turn the wheel from side to side while it was spinning to make the chair we were sitting in rotate. Once the wheel got spinning fast enough, it became really difficult to tilt it side to side while standing.
Gotta love the simple physics at work here.
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post #8 of 29 (permalink) Old 11-30-2011, 11:13 PM
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That's called gyroscopic precession.
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post #9 of 29 (permalink) Old 11-30-2011, 11:18 PM Thread Starter
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this post is turning out to be a good one

  • Penske triple adjustable shock Moriwaki linkage
  • forks , valves , springs ,top-out mod
  • Moriwaki rearsets
  • Carbon Airbox heatshielding custom K&N panel filter
  • Power Commander USB
  • Galfer superbike full foating rotors - SS braided lines
  • Brembo 19 RCS Adjustable Ratio Radial Brake Master Cylinder
  • DID 520 gold chain
  • CRG folding clutch lever
  • Relocated battery Shortened wiring harness
  • Flapper PAIR EVAP removed
  • Soft Rev limiter removed
  • 15/41 gears 520
  • Vortex clip-ons
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post #10 of 29 (permalink) Old 11-30-2011, 11:31 PM
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Lovely bike Subsailor - nice wheels too!

Some wheels don't need wheel balancing weights - those that are well balanced from new & don't need said weights are a good sign of quality.

Euro RC51 SP2: HRC WSB Ti Hi-Level, T1 Airbox & Snorkel, PCIII, Dymag CA5 Carbon Wheels, Ti64 Spindles (F, R & Swing Arm), Mori Link, Maxton GP7 Shock & Ohlins 832 Forks, Brembo GP Calipers & SBK narrow track (F), Braketech Disc (R), Brembo billet Underslung x 2 Brembo RCS, Tyga Triple, 7075 Stem, Probolt Titanium all over, Babyface rearsets, MR Complete Carbon Lineup, Custom Undertail & CBR 1000 LED, Watsen LED Indicators, Harris Brace, Giles clip-ons, Corbin seat, etc. 2013 BOTY.
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