17TSR Oversized pulley wheel System manufacturers and suppliers | Kactus

17TSR Oversized pulley ڦيٿي منڊل

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17TSR Carbon Fiber Bike Rear Derailleur Pulleys Jockey Wheel Ceramic Bearing Ultralight Bicycle Product description *12/17T super large size guide wheel set system *Saves 45% chain friction resistance compared to 11T guide wheels” *Ceramic bearing version saves more than 2.2 watts of average power compared to the original transmission system *Full carbon fiber guide arm *Full 7075 aluminum alloy CNC cutting lightweight guide wheel and TC4 titanium alloy spindle *Color: Anode red, ename...

  • FOB قيمت: آمريڪا $ 0.5 - 9.999 / ٽڪرو
  • Min.Order مقدار: 100 ٽڪرو / ٽڪر
  • جي فراهمي جي سگهه: 10000 ٽڪرو / رپيا مهينو ٽڪر
  • پورٽ: Shenzhen
  • ادائگي جي شرطن: آيل / س، د / ج، د / p، ٽي / ٽي
  • پيداوار وڌيڪ تفصيل

    design concept

    پيداوار ٽيگ

    17TSR ڪاربان قدير موٽر سائيڪل جي پوئتان ٿين Derailleur Pulleys جوڪي ڦيٿي Ceramic بيرنگ Ultralight سائيڪل


    پيداوار بيان

    * 12 / 17T وڏين وڏي سائيز ھدايت ڦيٿي مقرر ڪيل نظام

    * ڇڏايو 11T ھدايت نارن جي ڀيٽ ۾ 45٪ سند جي ٽاريء مان مزاحمت "

    * Ceramic طرف نسخو اصل سند نظام جي ڀيٽ ۾ سراسري طور طاقت جو وڌيڪ 2.2 watts ڇڏايو

    * پورو ڪاربان مڱريو ھدايت بجا

    * سڄو 7075 المونيم مصر CNC lightweight ھدايت ڦيٿي ۽ TC4 titanium مصر spindle واڍي

    *Color: Anode red, enamel, blue, gold, green

    * SRAM مخالف قوت ڳاڙهي لاء مناسب 17TSR

    * Ceramic بيرنگ نسخو دوغلو Ceramic طرف نسخو NSK نديم بيرنگ نسخو

    * وزن: 63 گرام

    * هن ceramic طرف نسخو 1.2 گرام جي اسٽيل طرف نسخو کان lighter آهي


     1.Different from other brands with eccentric designs, we designed these two products adopting the SRAM concentric design. The benefit of such design is that it won’t have any negative impact on neither the crisp shifting feel nor the tooth capability of the cassette nor 

    This is also the exact reason why Shimano ceased the production of 6800/9000 and upgraded their design to R8000/9100.

    Therefore, we choose 12T/17T over 17T/17T.

    Compared to original transmission system with 11T pulley, our products decrease friction resistance by 45%, ceramic bearing pulleys save more than 2.2 watts on average with each pedaling, increase shifting speed by 20-26%. Enhanced chain stability by implementing narrow-wide tooth upper pulley for more accurate and crisper shifting.


    2.Extended tooth for lower pulley, to prevent chains from coming off.

    One thing to clarify is that, it’s not wise to implement narrow-wide tooth to any situation.

    Yes, narrow-wide tooth provides better stability, but it is achieved at the cost of more friction resistance. As designers and manufacturers, we aim to be adaptable, to provide different products for different occasions, to suit your need best, not bragging a certain “high tech” which looks fancy but brings negative impact for your experience.


    3. Titanium alloy CNC shaft.

    To pursue the goal of lightweight, we overcame as many obstacles as possible, even it’s just for 2-4 grams of improvement. Shafts of products for ETAP and mechanical are both made of 6/4 titanium alloy. Even in original SRAM products, titanium shafts are only available with RED RD, not even ETAP, ETAP shafts are made of steel.


    4.Patent design for ultra-lightweight concentric upper pulley structure.

    One 7075CNC screw to fasten 7 pieces. Easy to maintain or customize while remain light and durable. 


    ڇو derailleur pulley ڦيٿي مٽائي

    پهرين، porous بهار جي حيثيت حد واپس مصالحت الهاس نگر گهڻو وڌيڪ مناسب طرح جي پورائي ٿي سگهي ٿو، اصل ۾ ڪمزور تني جو ماڻس کي بهتر، ۽ مٿي ڪر ۽ ھدايت ڦيٿي ۽ cogs جي وچ ۾ زنجير ۾ مصالحت لاٿو.

    ٻيو، ته ملئي ڏند سند ۽ پوئتان derailleur 17T جي cogs جي وچ ۾ تعداد يا ڪنٽرول ڏند تعداد ڀٽائي منتقل جي دور ۾ وڌيڪ آهي، ان کي صرف جي وچ ۾ ۽ ڪي لٺيون جي ٻن پاسن کان، جو وڏو جو ڪنٽرول lever، ته مشڪل جي اقتدار سنڀالڻ ساهتي ڪرڻ چاهيو.

    آخر ۾، پوء ان جي پڃري جي گردش وکر redesign، اپر ھدايت ڦيٿي ۽ cogs جي وچ ۾ فاصلو سگهارو آهي.


    لڳائڻ قدم

    17TSR- 中 英文 说明书

    1.Fist, find the screw of pulley wheel cage in the back of rear derailleur

    17TSR- 中 英文 说明书

    2.Remove the screw with cross tip Screwdriver

    17TSR- 中 英文 说明书

    3.Pull out the screw

    17TSR- 中 英文 说明书

    4. Remove and grease the screw and spring before assembly the new 12-17T carbon cade

    17TSR- 中 英文 说明书

    5. We suggest fix the spring in the left hole for the first time assembly

    17TSR- 中 英文 说明书

    6. Grease the titanium axle before assembly new cage

    17TSR- 中 英文 说明书

    7. Push the spring in the hole

    17TSR- 中 英文 说明书

    8. Clockwise rotate the cage andpush into rear derailleur

    17TSR- 中 英文 说明书

    9. Push all when make sure the positioning post right in the position

    17TSR- 中 英文 说明书

    10. Push back the screw in the hole and fix with cross tip screwdrive

    17TSR- 中 英文 说明书

    11. Finish

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  • اڳيون:

  • Concentric swing system.

    SRAM has been on a different path when it comes to RD design. While Shimano and CP prefer eccentric structure, SRAM chooses concentric structure. With eccentric RD structure, the RD shifting suffers from the length difference of chain between different FD positions. If there is no FD, eccentric design is just perfect for the impact from the shifting curve from cassette to the chain length change, just like what SRAM has done for 1X system, which fulfill both the need for speedy shifting and stability.

    The new Shimano DA9100 and R8000 are implementing concentric upper pulley design, which is just another example of the excellency of such design, the relatively fixed position of the upper pulley prevents negative impacts from both jumpy surface and FD shifting, ensures the accuracy and speed of RD shifting.

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