Trek Rail - Gen 4

[Trek-Rail-eBike]

My 2024 Trek Rail 9.7 : Gen 4 Bosch Motor, with a 2nd battery for all day riding (total 1500Wh)

I've had this for 2 years now with some superb days out on it : Bike Park Wales, DYFI, Revolution, Afan, Cannock Chase, Forest of Dean, LLandegla, Coed-y-Brenin, Sherwood Pines

 

[Stihldog]

My 2024 Trek Rail 9.7 : Gen 4 Bosch Motor, with a 2nd battery for all day riding (total 1500Wh)

I've had this for 2 years now with some superb days out on it : Bike Park Wales, DYFI, Revolution, Afan, Cannock Chase, Forest of Dean, LLandegla, Coed-y-Brenin, Sherwood Pines

Did a battery swap on my Trek Rail 9.7 this morning. Took out the 650wh battery and tried a 500wh. What A Difference …wow! Less than 20 kms but with steep climbing and gravity back home.

80% battery left. I couldn’t believe it.



I’m thinking …things are gonna change. This tank felt like a SL. Fast and nimble.

 

[irie]

Find the same when install the 500Wh batteries our bikes originally came with, completely changes (improves) the handling.

Isn't only due to the 0.7kg weight reduction from the 3.5kg 625Wh battery to the 2.8kg 500Wh battery, is also due to the weight being lower down and further back.

 

[Stihldog]

Find the same when install the 500Wh batteries our bikes originally came with, completely changes (improves) the handling.

Isn't only due to the 0.7kg weight reduction from the 3.5kg 625Wh battery to the 2.8kg 500Wh battery, is also due to the weight being lower down and further back.

Is that all the weight savings? 0.7kg.

Completely changes the feel. Amazing.

Wonder if I should tell my wife?

 

[nickf]

You can save almost half a kg by removing the battery lock mechanism and RIB. I removed the lock/handle block on the end of the battery and fitted an angled plate which then holds the battery in place with the two bolts through the frame that originally captured the lock mechanism. Yes it now takes a bit longer to remove the battery (I need to undo the 2 bolts and jiggle the battery with its new bracket to slide it out), but now I mostly charge it on the bike. No downsides for me and 440g less up high where you don't want it!

- RIB 160g
- Battery handle unit 70g
- Lock 250g
+ new bracket 40g
Total weight saving 440g

 

[irie]

Is that all the weight savings? 0.7kg.

Completely changes the feel. Amazing.

Wonder if I should tell my wife?

That is the weight saving.

As an experiment to see if they really do have better puncture resistance than the previous version (with which we got punctures) instead of front Maxxis Assegais DD fitted EXO+ which are a little lighter (180 grammes) which had much the same effect (centrifugal force and all that). No punctures so far but taking spare tyres etc. with us when we go to France on Thursday for a couple of weeks.

 

[irie]

You can save almost half a kg by removing the battery lock mechanism and RIB. I removed the lock/handle block on the end of the battery and fitted an angled plate which then holds the battery in place with the two bolts through the frame that originally captured the lock mechanism. Yes it now takes a bit longer to remove the battery (I need to undo the 2 bolts and jiggle the battery with its new bracket to slide it out), but now I mostly charge it on the bike. No downsides for me and 440g less up high where you don't want it!

- RIB 160g
- Battery handle unit 70g
- Lock 250g
+ new bracket 40g
Total weight saving 440g

Did that a couple of years ago, batteries now bolted in. A previous member @RolfRapRap printed the brackets and sold some on eBay which I bought for both 500 and 625 batteries (different bracket lengths).