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Mine has to be the GX Eagle cassette.
Particularly looking at it from the rear of the cassette it is a thing of beauty,almost a piece of art!
What's your latest bike related "wow"?
Cassette also.
Sunrace 11-46 in black with a red spider. A thing of beauty 🙂
Last time was because they sent me two of them by mistake.
Wow, brakes that work when it's raining.

First time was a carbon bar, it weighed less than the box it came in...
Probably my Bird Aeris - never spent that sort of money on a bike before and just looked like such a serious bit of kit compared to what I’d had before.
Not a "wow" but defo an "Ooooo" this morning when unpacking the Aggressor 2.5WT that's arrived 🙂
Not seen an Eagle, but had a similar, "Size a that" feeling when I received my first 11-42 cassette.
Compared to the cassettes we previously bought for 3x9, they are like huge dinner plates!
Yesterday took delivery of a new Planet X Exo3 TT frameset for Mrs Stoner. She's been competing for the last 3 or 4 years (incl Euro champs 3 times, world champs once and national champs most years) on a second hand PX Stealth frame set and she deserves to go up a notch in time for the Euros in Estonia later this year.
Took it out of the box and it is quite a monument of engineering. Huge aero cross sections, but light as feather and stiff as hell.
I cant wait to build it up for her. Might need some help though as its got fangled internal routing and Ive had to buy some weird brakes that hide inside the frame and fork faring like some kind of Citroen wheel arch from the 40s.

I think it would have been a minion 29er tyre. I definitely remember thunking "wow, that weighs more than my car". Rides grand mind.
I really like the SWAT system on my Enduro, it gets lots of wows when i lend spares or tools from it!
I've spent a night without sleep because I'm as excited as a kid on Christmas Eve.
Why?
Because an S-Works Enduro 29er frame is being delivered to my house this afternoon.
Usually it's whenever my seasonal 7Mesh clothing delivery arrives! There kit is just so nicely put together and the attention to detail is unreal. It's just damn nice gear and so understated, nothing like the garish crap from Fox I've worn in the past that fell apart on the first ride.
Working in the trade I see a lot of new kit, almost on a weekly, if not daily basis, and I have noticed it takes a lot more to wow me these days! The new Transition SBG bikes are nice and I was very much in "WOW!" mode when my Whyte arrived 18 or so months ago, but really there isn't much that excites me these days in terms of bike kit, especially as far as complete bike's go. I did get excited by my Chromag carbon bar and ranger stem, again just because they look so nice and also had an out loud wow moment first time I used my Maxx-D on a night ride, it was like having a second sun attached to the bars!
When I took the Liteville 601 frame out of the box.
The size of the tubing and the weight (in a good way) was a major 'WOW'.
an S-Works Enduro 29er frame is being delivered
Nice, pics or it didn't happen 🙂
I ordered some powerlinks from ChainReaction and the size of the box they came in made me go "Wow!"
Does that count?
I ordered some powerlinks from ChainReaction and the size of the box they came in made me go “Wow!”
+1
That and how bright youngest_OAB's new grips were in luminous yellow and luminous orange...
Brooks B17ti.
its nice.
Not so much a purchased product arriving, but when this bodge worked I did think "Wow" TBH;

https://singletrackmag.com/forum/topic/ghetto-shift-warning-cx-bodging-pic-heavy/
It's still working by the way...

Not really a part, but brought this home last night.
After my daughters, the most beautiful thing to have entered my house.

Enve carbon fibre drop bars for the road bike, Totally and ridiculously unnecessary. Very expensive. Extremely nice.
Knuckleball bars, couldn't get over how light they were.
GX Eagle here too closely followed by the anodized SRAM Bleeding edge tool.
Some new Pikes, After years of being a Fox stalwart and basically slagging of RS as low quality I have seen the light.
@ sneaky- me too, Pikes have blown me away.
@ lowey- the old bird on the tv does not approve but hey I do, please share it round to testride 👍
Next SL cranks. Not so much when they arrived, because they came on a full Bird Aeris, but the first time I took them off the frame and removed the pedals it was a definite wow moment. I reckon they'd be heavier if they were made out of paper.
For me it's when anything arrives in a branded box rather than a clear plastic bag
Carlos, where did you find the Aggressor WT?
I was pretty impressed with my LB carbon rims when they arrived.
Titus Fireline Titanium frame.
So light, such a lovely finish. First time I've had titanium
Not exactly a "wow" but it did arrive today and please me very much...
Lowey, That looks amazing!! I hope (see what I did there) they're even better looking IRL than the pictures.
The bar plugs and pump I bought from Wiggle and picked up for the post office today, as I was starving and in a rush and there were Haribo in the box.
Spurcycle , wonderful design , finish and operation.
The "ding" is just right, a joy to use and look at.
New Litespeed T5g frame.
Pure unboxing WOW is probably Thomson Dropper....or Some Aest Ti Pedals for the kid...
The Thomson is just really nice engineering... the AEST were £35 and weigh less than my phone... even after weighing them I spent most of the day picking them up as even knowing the weight it seemed unbelievable. That they are working over a year later is equally surprising.
Most amazed it works so well, probably the RST Air forks on my kids XC bike...
My own Pike is definitely in there but I think it took me a bit longer and sticking an extra 10mm travel to really appreciate it.
If it doesn't need to be brand new.. then probably the ML3 tune shock... over the stock ML on my T-130. Which was also only £100 and almost new... (or someone had at least done an aircan service really well)
Sram eTap TT groupset, or Giro Aerohead Ultimate helmet. Both are definitely Wow! The latter was also a phew! Because I bought it used for the same price as a new non-carbon fibre Aerohead.
a new set of xt di2 😀 a total sucker for somthing new and nice to buy somthing totally different for the bike
Hope E4s were the last really nice component. The Hightower that followed them a year later is even better, but nit really what the OP intended. I was pretty pleased with my Wahoo ELEMNT last month.
TBH it's a Mavic Crossmax Pulse tyre bought for a bike build for my daughter from crc.
Less than 15quid, folding and only 580g. Looks ideal as a front tyre for her.
Two parts came this week ..a new Race Face cinch bottom bracket and new Time MX6 pedals ..the pedals made me go wow as it brought home just how ****ed the ones they replaced really were !
( That and the fact they were half price )
New seals for my dropper seat post - fixed it.. all perfect. Impressed with the ease of DIY service for X-fusion HILO SL seat posts. Something to be said for added external routing simplicity.
My Bikeyoke Revive seatpost. It's a lovely thing to look at but it also came rather beautifully packaged in a matt black cardboard tube with silver writing that made it look more like a posh bottle of whisky. Very nicely done.

"Next SL cranks. Not so much when they arrived, because they came on a full Bird Aeris, but the first time I took them off the frame and removed the pedals it was a definite wow moment. I reckon they’d be heavier if they were made out of paper."
And more durable.
Wolftooth Remote. Just nicely made and engineered and feels quality.
Possibly more a mmm moment than a wow.
And more durable.
Durable enough for me - no point in me paying a weight penalty for all the biffers out there 🙂
I weigh 10 stone and I broke 2 arms 😛 Good luck! They are gorgeous though.
I caressed this frame to death before the parts started landing. I always knew Nicolai built nice frames but I never wanted one until these things happened.


The head tube angle on that is ridiculous
i got a rideworks t47 bottom bracket for my chinese ti frame, great design and pretty glad i chose t47 with 30mm cranks
A pair of 29+ minions
Durable enough for me – no point in me paying a weight penalty for all the biffers out there
we worked out in my riding group there have now been in total 7 sets of broken raceface carbon cranks ranging from Sixc to NextR.
i got my money back on the last set.
Hightower Frame for me, just beautifully built. I just sat looking at it for about 2 hours
The Suntour Auron RC2 was a real wow moment. Wasn't expecting it to make a Pike feel a bit cheap! Properly nice fork.
More recently I bought a Pro Tharsis trail bar and stem which have a combined weight of 300g and are just nicely understated, quality items.
My Ultegra Di2 group-set impressed me as soon as it was fitted.
My Hightower because I got to demo one and it was the most perfect bike for me I've ridden so far.
Then the SC Reserve wheels made it even better.
Then the Hope E4 brakes made it even betterer!
DMR Tensionseeker II. Its 'new' old stock.
Compared to the cheap nasty sprung tensioners its a tiny bit of proper engineering. However, the inner bolt is now stuck in the outer bolt, and the spring doesn't have much range so doesn't work on my full susser!
So I've just put the wobbly wonky old tensioner back on the bike.
Not for me...
Went into the LBS with the Missus and one of the guys said “Come to pick up the new bike”. MrsG then kicked off “another bike!!”. “I’ve told you one-in one-out”. “Really do you need another”.etc.....
i sheepishly took her over to the new bike. “This, but small for you isn’t it?”. “What do you mean it’s not for you!”. “Mine?”.
Then it was “Wow” she loves her new special order small Orange 4 with Sram Eagle12.
Mucho brownie points for me!
The re tuning on the shim stack that Paul from Geometron Bikes did for me on my Fox36 was my biggest wow.
Pics of it would look a bit shit though...
Ha! I just converted my 26er ex-singlespeed mtb to 1x11 after 15 years of riding it as is. I got a sunrace 11-42 cassette....it was a bit like that bit in Jaws-"we're gonna need a bigger boat".
We had a campagnolo EPS system delivered to the shop for a bike build in the week. It really was a thing of beauty, however the thing that made me go WOW was the fact that for your £2.5k you don't get a mount for the battery unit which effectively makes the groupset useless. 🙄
Minion DHF 29x3.0 that I fitted to the Krampus last week......wow, that's big and knobbly!
A pair of Conti Top Contact 2 folders.
Proper tough touring tyres, feel like they'd be fine on a G Wagon. Overbuilt German Quality.
Shame they roll like a brick.
Fortunately, they were for my wife's bike, so it wasn't all bad.

