# Upgrade bike shipped with grx to sram. do i need to go wide? **URL:** \ **Category:** Equipment\ **Created:** [November 11, 2024, 4:18pm UTC](https://www.trainerroad.com/forum/t/upgrade-bike-shipped-with-grx-to-sram-do-i-need-to-go-wide/97992 "2024-11-11T16:18:25Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![dan7843292](https://avatars.discourse-cdn.com/v4/letter/d/e19b73/32.png) [@dan7843292](https://www.trainerroad.com/forum/u/dan7843292)\ **Post date:** [November 11, 2024, 4:18pm UTC](https://www.trainerroad.com/forum/t/upgrade-bike-shipped-with-grx-to-sram-do-i-need-to-go-wide/97992/1 "2024-11-11T16:18:25Z")
I have a 3t exploro 2x with grx 400 groupset and I want to upgrade it to wireless a I am not certain frame compatibility with di2. and i prefer sram to be honest. since my bike comes with grx it means i should use a ‘wide’ version of sram? another reason i want to go sram is because i want to use a powermeter and shimano power are abysmal and i like to have spider PM lis p2m or quarq. left side only is not good enough for me. ---
**Author:** ![FergusYL](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/fergusyl/32/80824_2.png) [@FergusYL](https://www.trainerroad.com/forum/u/FergusYL)\ **Post date:** [November 11, 2024, 4:28pm UTC](https://www.trainerroad.com/forum/t/upgrade-bike-shipped-with-grx-to-sram-do-i-need-to-go-wide/97992/2 "2024-11-11T16:28:17Z")
I’d say that largely depends on the width of tire you’re planning on using. If you’re planning on using something fat (looks like the regular Exploro can take up to 54mm wide?), then I’d definitely go with Wide. And honestly, unless you’re super sensitive to Q-Factor, I don’t see any reason not to go with Wide since it provides more flexibility in the long run. ---
**Author:** ![dan7843292](https://avatars.discourse-cdn.com/v4/letter/d/e19b73/32.png) [@dan7843292](https://www.trainerroad.com/forum/u/dan7843292)\ **Post date:** [November 11, 2024, 4:33pm UTC](https://www.trainerroad.com/forum/t/upgrade-bike-shipped-with-grx-to-sram-do-i-need-to-go-wide/97992/3 "2024-11-11T16:33:41Z")
this bike is a disguised road bike… but with fatter tires for winter rides. i’d run max 35 gp5kas tires on 700c wheels afaik the 3t clears 54mm on 650b wheels. my question is more on frame compatibility, will a road RD/FD will clear the chainstays? ---
**Author:** ![FergusYL](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/fergusyl/32/80824_2.png) [@FergusYL](https://www.trainerroad.com/forum/u/FergusYL)\ **Post date:** [November 11, 2024, 4:56pm UTC](https://www.trainerroad.com/forum/t/upgrade-bike-shipped-with-grx-to-sram-do-i-need-to-go-wide/97992/4 "2024-11-11T16:56:28Z")
Ah, then in that case, looks like 700x42c max for standard Sram 2x, and 700x45c max for SRAM 2x Wide: > **[What is the max rear tire width compatibility for new Force AXS front...](https://support.sram.com/hc/en-us/articles/13303038837531-What-is-the-max-rear-tire-width-compatibility-for-new-Force-AXS-front-derailleurs)** > > Max rear tire clearance for the new Force AXS standard front derailleur, depending on frame design, is 42mm (measured width) for 700c tires. Bikes with tires wider than this using a standard road w... ---
**Author:** ![dan7843292](https://avatars.discourse-cdn.com/v4/letter/d/e19b73/32.png) [@dan7843292](https://www.trainerroad.com/forum/u/dan7843292)\ **Post date:** [November 11, 2024, 6:43pm UTC](https://www.trainerroad.com/forum/t/upgrade-bike-shipped-with-grx-to-sram-do-i-need-to-go-wide/97992/5 "2024-11-11T18:43:53Z")
depending on frame design is what worries me. this is the bike: ![image](https://global.discourse-cdn.com/trainerroad/original/3X/2/f/2f9abcb9b79217ac9de1ce984e09071f2733c811.jpeg) ---
**Author:** ![FergusYL](https://sea2.discourse-cdn.com/trainerroad/forum/user_avatar/www.trainerroad.com/fergusyl/32/80824_2.png) [@FergusYL](https://www.trainerroad.com/forum/u/FergusYL)\ **Post date:** [November 11, 2024, 6:50pm UTC](https://www.trainerroad.com/forum/t/upgrade-bike-shipped-with-grx-to-sram-do-i-need-to-go-wide/97992/6 "2024-11-11T18:50:48Z")
Hm, seems like the derailleurs should work without a hitch. The crankset is maybe a concern? How much clearance is there between the cranks and chainstay with those GRX cranks you’re using now? ---
**Author:** ![dan7843292](https://avatars.discourse-cdn.com/v4/letter/d/e19b73/32.png) [@dan7843292](https://www.trainerroad.com/forum/u/dan7843292)\ **Post date:** [November 11, 2024, 7:16pm UTC](https://www.trainerroad.com/forum/t/upgrade-bike-shipped-with-grx-to-sram-do-i-need-to-go-wide/97992/7 "2024-11-11T19:16:53Z")
these are not grx chainring, they are ultegra 50/34. I upgraded them from the grx 46/30 when i purchased the power2max i am using the rotor axle 24mm offset along with rotor aldhu cranks. p2m road powermeter and ultegra 50/34 chainrings i presume if i can clear a 50 big ring. i can clear a 48. right?