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Dr. Pulley
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Variator Sliding Weights, Dr. Pulley, 17mm x 12mm, 50cc Franco Morini Based Scooters

List Price: $39.99
Sale Price: $29.99

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Dr. Pulley Sliding Weights for 50cc 2-Stroke Franco Morini Based Engines

  • Size: 17x12
  • Set of 6
  • Broadens your range of gear ratios
  • Increases acceleration and re-acceleration properties
  • Increases top end speed
  • Lasts longer than standard roller weights

  • Aprilia – Habana 50 2T, Scarabeo I.E. 50 2T, SR Sport DiTech 50 2T
  • Atala – Byte AT 10 50 2T, Hacker AT 50 2T
  • Cagiva – Progress 50 2T
  • Derbi – Aceno 50 2T, Atlantis 50 2T, Hunter 50 2T, Paddock ST 50 2T, Predator 50 2T, Vamos 50 2T
  • HSC – ZZ Sepia 50 2T
  • Hyosung – Rush 50 2T, Sense 50 2T, Prima 50 2T, Super Cab 50 2T, Rally 50 2T, SF 50 2T
  • Italjet – Cruise 50 2T, Formula 50 2T, Velocifero 50 2T
  • Malaguti – Crosser CR1 50 2T, Ciak 100 2T
  • Suzuki – Address 50 2T, AJ-ZZ Sephia 50 2T, AP 50 2T, Katana 50 2T, Magic 50 2T, Zillion 50 2T
  • TGB – R50X 50 2T

Dr. Pulley 17x12 Sliding Roller Weights for Aprilia SR50 & SR Di Tech, Derbi Atlantis, Italjet Formula Lc, Malaguti Ciak and many more.

We highly recommend that you begin by upgrading the variator roller weights before engaging in any performance upgrades. This is the simplest of upgrades and the least expensive. This is a minimal investment and offers a maximum return.

The main rule for tuning variators is the lighter the roller the more rpm's are needed to push the rolls outwards through centrifugal motion to set the gear change in motion. Heavier roller weights need lower rpm's to start moving.

Heavier roller weights = slower take-off speed, more acceleration = higher maximum speed.
Lighter roller weights = faster take-off speed, less acceleration = lower achievable speed.

The right balance is an individual choice since a scooter racer will want heavier weights to achieve a higher overall speed so that they might be faster at full throttle. For daily use a rider might prefer lighter weights for more power to take off faster at stop light.

Dr. Pulley Roller Weights -- The latest roller weights to hit the market and the most advanced weights available. These sliding rollers perform up to 20% better than standard round weights and last up to 18% longer with 22% less performance material loss. The weights have several unique features such as their composite material being nylon for faster performance.

Made of unique tribological material SL-9T and SL-9TS (oilless PA46) • Low friction coefficient / Low wear / High temperature resistance • Aluminum compatible; No abrasive fibers (glass fiber or carbon fiber) • Fastest Roller Weights available

**NOTE: Electrical, High Performance, Aftermarket items are non-returnable so please check photos and specifications before ordering.

Please see our Warranty and Returns Policy
Manufacturer: Dr. Pulley
Manufacturer Part #: 169254

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