Bicycle Rear Derailleur Pulley Road Bike 17TS For Shimano
whakaahuatanga hua
* Pūnaha aratohu wira huinga rahi nui 17T
*17T pulleys or16T pulleys
* Tiakina 60% resistance mekameka waku whakaritea ki wira 11T aratohu "
* Whanau Ceramic putanga whakaora neke atu i te 2.4 Watts o te mana toharite whakaritea ki te pūnaha whakaneke taketake
* Whare herehere muka waro katoa
* 7075 konumohe koranu katoa CnC tapahi Kōmāmā wira aratohu me take titi
* He pai 17TS hoki Shimano 5800/5700/4700 / 4600 105 / Tiagra
* Faaiteraa i Ceramic Bible kowiri tira ranu Faaiteraa i Ceramic Bible Steel ◊Oku hanga Putanga
* Taumaha: 71.4g
* Ko te putanga Faaiteraa i uku ko 1.2 karamu mama atu i te putanga maitai Faaiteraa i
*Shifting speed increased by 20%-26% for Shimano systems.
*Color: Anode red, enamel, blue, gold, green
*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.
He aha whakakapi derailleur wīra wira
Tuatahi, maiengi rohe tūranga puna taea whakarite hoki mānukanuka te nuinga, te whakapai ake i te ngoikore o te totoro ngoikore taketake, ka hanga i te ake, me te iho mekameka mānukanuka i waenganui i aratohu wira me cogs nui atu tōtika.
Tuarua, ko te tau whakapā niho mana ranei tau niho i waenganui i mekameka me cogs o muri 17T derailleur he atu i roto i taputapu whakaneke, tika rite reira ki whakawiri te waenganui, me te rua taha o etahi rakau, te nui te hua mana, te kaha te mana mana.
Heoi, i muri i waihanga anō ānau hurihanga o te whare herehere, ake te tawhiti i waenganui i runga wira aratohu me nga cogs te.
kaupae tāutanga
1.Remove te muri derailleur wīra whare herehere wira: Tangohia te tīwiri hex i te taha o te turanga o te whare herehere wira wīra te whakamahi i te No. 2 hex wāwāhi. (Kua te whare herehere wīra wira taketake kua nekehia i roto i te whakaahua)
2.Remove te tīwiri hex, tangohia i roto o te taketake whare herehere wīra wira me te puna. (Kua te whare herehere wīra wira taketake kua nekehia i roto i te whakaahua)
3. 17T waro whare herehere muka wīra wira, ka taea e kite koe i 8 rua, tohua i roto i te 1 ki te 4 te mānukanuka poka whakatikatika, te tahi atu e wha hoki whakaiti taimaha. Ko te ekeeke tuatahi taunoa he poka 2. (mānukanuka: 4> 3> 2> 1)
4.Install te rua puna tīpakohia whakapuru i nga titi puna. kia te hinu te take he kowiri-rino i runga i te whare herehere wira tauru i mua i te tāutanga.
5.Push te whare herehere wīra wira ki te poka o te derailleur muri.
6.Rotating whare herehere wira wīra, te whakatakoto wīra whare herehere wira poraka rohe fakaakeake tīwiri i roto i te derailleur muri.
7.Neke i te whare herehere wīra wira tino ki te turanga o te derailleur muri.
8.Kōkuhu i te tīwiri hex ki te poka i te taha o te turanga o te derailleur muri te whakamahi i te No. 2 hex wāwāhi.
9.Whakakikī i te tīwiri.
10.Tukuruatia hurihanga whare herehere wīra wira, whakaū te fakaakeake pai, he oti te tāutanga.
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.
Tuarua, ko te tau whakapā niho mana ranei tau niho i waenganui i mekameka me cogs o muri 17T derailleur he atu i roto i taputapu whakaneke, tika rite reira ki whakawiri te waenganui, me te rua taha o etahi rakau, te nui te hua mana, te kaha te mana mana.
Heoi, i muri i waihanga anō ānau hurihanga o te whare herehere, ake te tawhiti i waenganui i runga wira aratohu me nga cogs te.
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.
