Upgrades

[newbieMatt]

Hi first post and as a newbie I’m sure they questions will seem dumb to some but please bear with me.
I have sirrus elite 2014 and the tyres have finally given up and need replacing.
I was going to put Schwab marathon 700x35 on to give a bit more comfort and ability on tracks and poor tarmac which I ride on.
Also I am considering altering the chainring to give a little more speed as it it fairly flat where I live.
Are both or either of these suggestion sensible or achievable - be kind!!
Sirrus 2014
Specialised 622x15c Jalco DRX270

 

[CXRAndy]

Chainring wise I wouldn't unless its worn out and needs replacement. You really won't go faster, unless,you're already spinning over 100rpm in top gear on the flat roads.

Tyres,

though Schwalbe Marathon plus are a solid commuter tyre with a decent puncture protection strip. They are very heavy tyre and really numb the ride feel. My favourite is Schwalbe G One Allround either in 35mm or 40mm. To give good puncture protection add Orange endurance sealant to the inner tube via removal of the valve core. I add 75-85 mil per inner tube.

I usually run full tubeless but I always put sealant inside innertubes when using them

 

[spiderman2]

Got the same hybrid myself.
The gear 48_11 will get you to 28 mph @ 80 rpm so no point in changing.
What i did find was the factory wheelset were heavy,swapped them for shimano and now a different bike.

 

[All uphill]

I've had Marathon + and they have done what was promised- puncture free riding and long life, but at the cost of comfort, responsiveness and weight. They really take all the joy out of cycling for me. That may be a price worth paying for you.

 

[cougie uk]

Marathon+ are bombproof and you can almost leave the p*nature kit behind, but yes they're heavy.

I guess it depends how heavy your original tyres were.

 

[CanucksTraveller]

I've used Marathon plus on my old commuter/ town bike for ten years, and I agree with all the above, there are much better choices if it's comfort, grip and feel you're after. They're certainly solid, I've never had a puncture on M+ in all that time, but they feel solid, and Schwalbe make some far better tyres for comfort and grip whilst not really compromising protection all that much.

 

[Juan Kog]

I agree with the comments about Marathon +, they were my commuting choice for years . I think the OP is planning to use the standard Marathon not the plus , they are lighter and give a more forgiving ride.

 

[sasquath]

Change cranks only if worn. If you're planning to go 1x chainset for weight saving you should consider gear spacing. You still can get decent range with 11-36 cassette and 44-48t chainring but on 9 sp. cassette gear spacing may prove too wide. I'm not complaining on mine but I'm ok with wide cadence range.

And weight saving won't be huge 50-200grams maybe?

I can confirm that 35c marathons non plus are not heavier than 38c kenda something I had on previous bike. No comfort difference either. Not too loud on Turbo trainer. Can't speak for puncture protection after only 100miles though.

I could take tyres off and weigh them if there is any interest.