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 Post subject: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Sun Dec 14, 2014 8:14 pm 
Posts: 345
I recently changed my whyte 801 (2015 spec) XC bike to a Specialised Enduro Comp (again 2015 spec).

I changed quite a few parts on the 801, mainly the cassette, crank and wheels. I think I gained the most weight saving from changing the wheels to Stans Crest (650b) tubeless setup. I was running Maxxis Ardent Race tyres which are also very light.

On the Enduro, I got a deal on the shop fitting a Command post, other than that, it is standard spec.

I'm not massively concerned about the 14.4kg weight, I love the bike. It spoke to me more than the Stumpy. I know I won't be doing any Enduro events on it and will be mostly doing trail stuff, but I really dig the Enduro.

Is 14.5kg really heavy?

The Enduro comes with Roval rims, Specialised in-house brand. I am running them tubeless.
It has a SRAM PG 1030 cassette, which is heavy at 400g, the crank is a SRAM X1 1000, which I think it quite a high spec already?

Tyres are butcher control front and slaughter control rear.

Would I get similar/significant weight savings by changing to Stans or similar rims and maybe changing to Maxxis Ardent rear and high roller 2 front? I don't know how the Rovals compare? Are they 'budget' rims?

Any other areas you would consider a significant weight saving opportunity?

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Sun Dec 14, 2014 9:11 pm 
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Location: essex
Would seem an appropriate weight to me
What forks are you running?

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Sun Dec 14, 2014 9:24 pm 
Posts: 345
It's a rockshox Pike

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Sun Dec 14, 2014 10:34 pm 
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Its almost 32lbs which isnt light but not that heavy.

Id happily pedal round a bike that weight all day if I liked how it rode. Are those single ply tyres?


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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Sun Dec 14, 2014 11:49 pm 
Posts: 217
Location: Saffron Walden
Which Roval are they?

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 7:08 am 
Posts: 345
Roval Fattie 650b, alloy disc, 29mm inner width, 24/28h

I don't know if the tyres are single ply?

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 9:30 am 
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Location: essex
Tyres and tubes can make quite a big difference if they are dual ply.

Looking up the Butcher control it appears to be an enduro orientated tyre and weighs in around 700g which compared to a dual ply minion ( 1080g ) is very light.

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 11:59 am 
Posts: 345
The Butcher Control (front) is 2.3 folding, 755g
The Slaughter Control (rear) is 2.3 folding, 725g

I agree, these are very light weight tyres if compared to Maxxis. These Specialized tyres also get good reviews and are a lot cheaper than Maxxis os Schwalbe 8-)

I will weigh the front wheel+tyre and get an idea of the rim/hub weight.

The rear 10 speed cassette is heavy, 400g is very heavy compared to the Shimano XT (9 speed) cassette I had on the 801. But an upgrade to a different SRAM 10 speed cassette (XG1080) to get any notable weight saving is very expensive ! they are £150, I think it works out at nearly £1 per 1g reduction :shock:

The command post alone weights about 500g. So the 'standard' weight of the Enduro Comp is nearer the 14Kg mark.

By the way, I am not saying I need to change anything. It seems 14,5Kg is not overly heavy. But it's interesting that there were plenty of relatively cheap upgrades for the 801, but not so on the Enduro.

I will weigh the rims/hubs as accurately as I can, I am interested in what other options are out there for a wheel change, but I think it gets expensive, probably minimum £300 for front and rear wheels with hubs and free hub.

Looks like I can just crack on and enjoy riding it !! :high5:

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 1:01 pm 
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Location: essex
I wouldn't sweat it seems fine to me

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 1:13 pm 
Posts: 217
Location: Saffron Walden
Your wheelset comes in at 1690g

http://www.specialized.com/us/en/ftb/wheels/roval-mtb-all-mountain/roval-traverse-650b

ZTR Crest 650b on Hope pro 2 32 holes with DT supercomp spokes and black nipples weigh in at 1571g. Not a great amount of saving, and will cost anywhere from 350 up depending on what deals you can find.

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 7:25 pm 
Posts: 345
I weighed the front wheel and tyre. It is 1940g. This is hub, wheel, tyre and a 200mm rotor.
So minus the tyre, that means the hardware is approx 1200g. I don't know how much the Shimano RT66 rotor weighs.

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 7:56 pm 
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Unsprug weight (anything that has rotoational weight so that is the wheels, tyres, cassette, tubes and rotors) has up to 5 times an effect on overall weight when the item is moveing. Small changes can make a big different but everything is a compermise at time, lighter tyres are brilliant but not if you keep getting flats.

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 8:34 pm 
Posts: 345
Stans Flow EX Rim: 530.00 g

DT Swiss Hub: 172.00 g

Spoke type: 144.00 g

Nipple type: 33.86 g

Total = 879.86 g

Add 200g for the rotor(?)

That's 1079g

Add the tyre weight gets me to 1834 which is only 100g less than what I have now (guessing the weight of the brake rotor).

Looks like the Rovals are nice and light weight.

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 8:46 pm 
Posts: 217
Location: Saffron Walden
They look like decent wheels from what i have read over the last day mate, and those tyres are pretty lightweight as well. I would give it a few decent rides before planning on changing anything. As Matt said there is a lot of stuff all over the internet about rotational weight, but unless you want to spend £££ your probably not gonna save enough weight to feel the difference.

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 Post subject: Re: Is 14.4kg 'porky' for an Enduro / Trail bike?
PostPosted: Mon Dec 15, 2014 8:55 pm 
Posts: 345
Don't worry, I'm not changing the wheels or tyres given the evidence above.

When / if stuff breaks, I'll consider replacing it with better stuff, but the bike rides lovely as it is. I'm looking forward to getting it on some trails.

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