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I put this together. I went with a 42t chain ring after making sure a 46t would work. I also got rid of the godawful heavy Shimano M5100 11-51 discus cassette ( after making sure it would work). Since I had the Mavic hub that accepts Shimano 11s road cassettes I went to the other extreme with...

I got my Wide Narrow chain rings form China. I got a few sizes in case the chainlime shifted. Also IDK what I really need at 70yo. It's together and running. Switching to the square taper BB was easy. The freewheel needed a BB locknut for a spacer, but also needed to be all the way on the crank...

I found a video of this on a raised chainstay bike. Is this 2 single freewheels on one hub?

Here are links to photos of this. There are trials cranks and freewheels out there also. But not all of them are English threaded or 5 bolt pattern. No need to dig up clunky old Schwinn stuff to try this. I'm waiting on 110BCD chain rings from China to do the 1x setup...

I've got a pile of this stuff now. The cranks and BB from the bodgers ( Sick Bike Parts surplus/ Luna Cyclone double ring set.) was way too heavy to consider for the XC bike. Some of the chain rings were solid steel with no cutouts, just a big metal disc. But the HD White industries freewheel...

I've looked into the White Industries ENO Ebike surplus front freewheel I ordered on Ebay. It's made for hard use, and all parts are available for service. Definitely not the same as what's inside your typical 5/6/ 7 speed cluster. Normally sold with a built on sprocket(s) for rear use in BMX...

I got the ZTTO cassette. 11s 11-46t lightweight version. I had read the reviews. Issues with chain coming off the larges cogt back pedaling, and chain not laying down on the largest cog. The problem is they didn't make a cut on the back of the cog to define the depth and width of the tooth...

I've decided to explore this on my street softtail MTB. ( 26"XC bike with slicks). This bike can be seen in the Rapid Rise forum. I ordered a bunch of surplus parts from various Ebike bodgers, Then found some nicer parts with my existing 104BCD chainring size from a British tandem supplier. SJS...

I saw one of these at a thrift shop. It was a red 26" 10 speed of a lower specification. Chrome steel rims instead of alloy. But it had the nice metallic red paint job and lots of chrome that Schwinn was known for. Their fillet brazed frames were nice too. I called my local expert and he said...

As far as replacing the Positron derailleur the Rapid Rise low normal would still allow the preselect of a downshift when stopped ,a nd Revoshifters were available to allow full use of the front freewheel with SIS indexing at the shifter. I also am using it to this day.

I would guess the L and R crank arms were just for the lh thread on the lh pedal. There are still various iterations of this around. Tandems to disengage the stoker, trials bikes use them, and mid drive Ebikes all have them, but few people disable the rear freewheel to take advantage of the...

1970s Schwin FFS vs. Di2. video. I did a search here for this and found nothing. Raleigh did some bikes with it but Schwinn and other US builders used it quite a bit. https://rode-bike.com/shimano-front-freewheel-system/ Some of us are adding this to mid drive Ebikes (which already have the...

I've got another trick up my sleeve for this. Front derailers are all Low Normal. So front shifters are all "Rapid Rise". I have been agonizing for a long time about no 9 speed and up Rapid Rise shifters. I just ordered a couple of front Shimano Revoshifters with friction instead of SIS. They're...

Rivendell has a page on Rapid Rise. https://www.rivbike.com/pages/whats-rapidrise?_pos=5&_sid=324b3e603&_ss=r

I forget that this is a UK website. Bankrupt Bike Parts has these. https://bankruptbikeparts.co.uk/products/8-speed-shimano-revoshift-sl-rs40-twistgrip-bike-index-gear-shifter-rapid-rise?_pos=1&_sid=c35f5fe26&_ss=r $20+ shipping to US makes me look elsewhere.

Here's a decent looking XT derailleur for $30 buy it now...

This is kind of a test for 1x Ebike conversions of old 3x MTBs. The Rapid Rise derailleurs are not hard to find on Ebay. But reverse pattern trigger shifters don't exist AFIK. Only Shimano made reverse pull twist shifters for it. The 7 speed ones are fairly common. 8 speed are rare, and 9 speed...

I've ordered a ZTTO lightweight 11-46t 11 speed cassette. Hard use and long wear are not part of the plan for this bike ( I have an Ebike for that). $100...

It turns out the Prestacycle cassette was a road bike 11 speed part. Due to the US Labor Day holiday I got the order canceled before it shipped. So I'm still looking for a cassette solution.

It's looking like this right now. That cassette has got to go. But it was fun to do the update. 24 spoke Mavic Crossrides are the original Romanian ones with eyelets. Not the Chinese ones with raised alloy bumps instead.