17TR Oversized pulley wheel System manufacturers and suppliers | Kactus

17TR gqo pouli Sistèm volan

Kout Deskripsyon:

17TR Bicycle Ceramic Bearing Carbon fiber Jockey Pulley Wheel Set Rear Derailleurs Guide Wheel Product description *17T large size guide wheel set system *17T pulleys or16T pulleys *Saves 60% chain friction resistance compared to 11T guide wheels” *Ceramic bearing version saves more than 2.4 watts of average power compared to the original shifting system *Full carbon fiber cage *Full 7075 aluminum alloy CNC cutting lightweight guide wheel and shaft pin *Color: Anode red, enamel, blue, ...


  • FOB Prix: US $ 0.5 - 9,999 / pyès
  • Min.Order Kantite: 100 Moso / Moso
  • Abilite Pwovizyon pou: 10000 Moso / Moso pou chak mwa
  • Port: Shenzhen
  • Peman Regleman: L / C, D / A, D / P, T / T
  • pwodwi Detay

    design concept

    pwodwi baj

    17TR Bisiklèt Ceramic kote yo pote Kabòn fib joke Pouli rou Mete Dèyè derayeur Gid rou

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    Product deskripsyon

    * 17T gwo gwosè sistèm gid wou seri

    *17T pulleys or16T pulleys

    * Sove 60% rezistans friksyon chèn konpare ak gid 11T wou "

    * Ceramic portant vèsyon sove plis pase 2.4 wat nan pouvwa mwayèn konpare ak sistèm nan déplacement orijinal

    * Tout kabòn fib kaj

    * Tout 7075 aliminyòm alyaj CNC koupe ki lejè gid wou ak arbr Pin

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

    *17TR is suitable for Shimano 6700/6770/6800/6870/9000/9070 Ultegra/DURA ACE

    * Ceramic kote yo pote vèsyon Nerjaveèi asye Hybrid kote yo pote vèsyon fe portant vèsyon

    * Pwa: 61.4g

    * Li seramik vèsyon Portant se 1.2 gram pi lejè pase vèsyon an kote yo pote asye

    *Shifting speed increased by 20%-26% for Shimano systems.

    *Support up to 11-28 cassettes, compatible with 11-30 and 11-34 with the help of an RD extender.

    This is the fastest RD pulley system.

     

    17TS & 17TR installation tips:

    1, due to increased offset by the oversized pulley system, please make sure your RD and frame are aligned and calibrated correctly.

    2, please check the length of your chain. Here is how to calculate, chain should be 10-20mm longer than the RD at 0 tension (shown as the picture below) when rests on the smallest chainring and smallest cog.

    3, to lower the requirements for chain length and RD/frame alignment, we introduce the new 16T pulley system, 17TS and 17TR. Compare with 17T, the power saving would be lowered by about 0.2 watts but increasing chain stability and shifting speed.

    图片1

    Poukisa ranplase derayeur wou pouli

    Pwemyeman, ki mouye limit pozisyon sezon prentan te kapab ajiste tounen tansyon lajman, amelyore feblès nan orijinal detire fèb, epi fè moute a ak desann tansyon chèn ant gid wou ak cogs pi plis kòmsadwa.

    Dezyèmman, nimewo kontak dan oswa kontwòl nimewo a dan ant chèn ak cogs nan dèyè 17T derayeur se pi plis pandan Kovèti pou déplacement, li jis renmen zongle mitan an ak de pati yo nan kèk baton, pi gwo a levye a kontwòl, pi fò nan pouvwa a kontwòl.

    Anfen, apre yo fin repanse koub wotasyon kalòj la a, se distans ki genyen ant anwo wou gid ak cogs yo amelyore.

     

    etap Enstalasyon

    image00111

    1. Dèyè derayeur dekonpozisyon, retire orijinal kalòj la pouli wou, jan yo montre nan figi a (gen orijinal kaj pouli wou te retire, metòd retire tanpri al gade figi No.20)

    image00311

    2. Tanpri konfime sifas la aliminyòm bag alyaj diferan bò.

    image00511image00711

    3. boulon gasket a prensipal la.

    image00911

    4. Enstale machin pou lave a nilon derayeur la dèyè.

    image01111

    5. Anpil moun ki opoze gasket la boulon prensipal nan boulon la, epi aplike grès.

    image01311

     

    6. Pran 17T kabòn fib pouli wou kalòj la, sèvi ak N o 2 Egzagòn kle retire alyaj vis soti sou do a nan kalòj la pouli wou yo.

     

     

    image01511

    7. Retire anwo wou pouli.

    image01711

    8. Aprè anlèvman volan an pouli anwo, enstale boulon yo sant sou do an.

    image01911

    9. Anvan enstalasyon boulon prensipal la, yo ta dwe boulon an dwe konplètman grese.

    image02111

    10. Pouse boulon prensipal la konplètman nan baz la nan kalòj la pouli wou yo.

    image02311

    11. Tanpri konfime sifas la Groove bag alyaj an boulon prensipal la, e li te sifas Groove grese.

    image02511

    12. Tanpri konfime avyon an bag alyaj deyò, e li te bag an alyaj grese.

    image02711

    13. Tanpri konfime sezon prentan aliye twou a nan dèyè derayeur.

    image02911

    14. Pin sezon prentan aliyman sezon prentan Twou a aliye nan derayeur la dèyè.

    image03111

    15. Konfime pikèt la sezon prentan nan baz la nan twou a sezon prentan pwezante.

    image03311

    16. Enstale sezon prentan an.

    image03511

    17. Alinye pikèt la sezon prentan ak twou nan sou kalòj la pouli wou

    image03711

    18. Make nan 1 a 4 se tansyon twou ajisteman, default premye aliye a se twou 2. (tansyon: 4> 3> 2> 1)

    image03911

    19. kaj la wou pouli konplètman bourade nan derayeur la dèyè. konfime aliyman an boulon prensipal la.

    image04111

    20. No 4 Egzagòn kle sere boulon boulon prensipal la 4N.m.

    image04311

    21. Reyajiste volan an gid anwo, insert boulon yo pouli anwo, men se pa sere boulon.

    image04511

    22. Wotasyon pouli wou kalòj la nan dèyè blòk limit derayeur detant, peze topupper pouli wou boulon la soti, bloke blòk la limit.

    image04711

    23. Sere boulon anwo pouli wou boulon an.

    image04911

     

    24. enstalasyon an se konplè.


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  • According to test result, increase the rear derailleur pulley wheel size could significantly decrease the friction between the chain plates caused by polygon effects during chain bending, and reduce the resistance for saving rider’s cycling power.

    The chain is composed of several short pieces with an inch long, we could see the chain as one inch long with around one hundred and ten section lines, due to small diameter of turning circle, when the lines pass through standard 11T pulley wheel, it needs a certain angle to turn the transferring direction of chain for about 180° through two wheels, after increasing the pulley wheel size, the chain turning angle are decreased, so the loss of friction is less correspondingly. The results shows that 17T is a good balance point between weight and decreasing the polygon effects, To increase the size blindly will lead to arc decreasing not obvious, together with weight and volume adding. Compared with common 11T pulley wheel, the friction loss caused by polygon effects of chain could be decreased about 60%.

    Besides, under the same transferring speed of chain, the axis rotation speed of 17T is slower for saving the self friction loss during bearing rotation, smaller cycle could also reduce the resistance of each turn rotation. To upgrade this ceramic bearing saves more power loss.

    Faster gear shifts. firstly, porous spring position limit could adjust back tension largely, improve the weakness of original weak stretch, and make the up and down chain tension between guide wheel and cogs much more adequately.

    Dezyèmman, nimewo kontak dan oswa kontwòl nimewo a dan ant chèn ak cogs nan dèyè 17T derayeur se pi plis pandan Kovèti pou déplacement, li jis renmen zongle mitan an ak de pati yo nan kèk baton, pi gwo a levye a kontwòl, pi fò nan pouvwa a kontwòl.

    Anfen, apre yo fin repanse koub wotasyon kalòj la a, se distans ki genyen ant anwo wou gid ak cogs yo amelyore.

    And we should also tell customer that the compatibility of 11-28T cogs, the length of chain is within the range of 405-410mm standard road bike chain stay, suggest using more than 114 links, but not too short chain, or it might lead to too large back tension and enlarge the tooth tip resistance between chain and pulley wheels. (In case customer just has short chain, suggesting install it to lowest tension of spring mounting hole).

    It can faster SHIMANO system up and down gear to improve 20%-26%. save 2.4 watts more.

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