Personlized Products 700c Glow Fixed Gear Bicycle - KTPL 11T Rear Derailleurs Pully – Kactus Sports Detail:
bicycle jockey wheel pulley for speed gear set Mountain bike pulley Speed Rear Derailleur Wheel
Product description
*11T rear RD pulley weight: 9g
*Material: AL7075-T6 aluminum alloy CNC machining
*Installation size: 6MM/5MM/4MM
*Color: Anode red, enamel, blue, gold, titanium
*Bearing: Steel Ball Bearing / Ceramic Bearing
*suitable for : All conventional transmissions
*This product is made of AL7075-T6 round bar CNC, finished with diamond knife, diamond-like The metal texture and the appearance of the product are excellent. Adopting the Japanese imported steel ball lining, the rotation has no resistance, which greatly reduces the frictional resistance and improves the riding efficiency.
Why replace derailleur pulley
First, replace the original pulleys with these would improve the weak stretch of the original set, and make the up and down chain tension between guide wheel and cogs much more adequate.
Second, the number of contact tooth or control tooth between chain and cogs of 17T is more during gear shifting, the more contact, the stronger the control power.
Third, after redesign the cage’s rotation curve, the distance between upper guide wheel and the cogs is improved.
Long story short, with all the features mentioned above, you would save 2.2 watts or more with each pedaling. That’s the equivalent of shaving 100g off a 10KG bike.
Product detail pictures:

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Always customer-oriented, and it's our ultimate goal to get not only by far the most reputable, trustable and honest supplier, but also the partner for our customers for Personlized Products 700c Glow Fixed Gear Bicycle - KTPL 11T Rear Derailleurs Pully – Kactus Sports, The product will supply to all over the world, such as: Buenos Aires, Latvia, Las Vegas, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We've got established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance might be expected as our principle of integrity. Devotion and Steadiness will remain as ever.

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