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 POST YOUR BALFA BB7! 
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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 27 Feb 2013, 16:22 

Joined: 20 Feb 2011, 01:03
Posts: 9
Location: Cornwall, UK
Wow BalfaTier, what a fantastic pic! :o :D


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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 03 Mar 2013, 10:44 

Joined: 01 Feb 2013, 18:39
Posts: 2
Thanks Wooyek and ridebb7, soon there will be give pictures of my large frame projekt! :)


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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 09 Mar 2013, 19:03 

Joined: 09 Apr 2011, 11:31
Posts: 6
If anyone is interested, I've recently measured the dimensions of the "new type" chain pulley and produced some drawings. So if you need a replacement, just print those and take them to any place where they have a lathe and ask them to make one from "POM" (Polyoxymethylene) or PA (Polyamide)

Image
Pulley, pivot and Bearings

Image
pulley

Image
pivot


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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 09 Mar 2013, 19:19 
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Joined: 12 Apr 2009, 21:24
Posts: 48
Location: Poland
Wow, looks good - thank you for your work!

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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 17 Mar 2013, 17:05 

Joined: 16 May 2012, 02:12
Posts: 7
well here is my bb7 :D


Attachments:
File comment: I may of posted it with my totem on it before? if not I have changed the fork and got new brakes. (my totem is now on my Norco Torrent) the shiver was on the torrent before I looked at them both and thought "wait a minute something's wrong here." and switched the forks. now it makes sense to look at them beside each other. in terms of travel they only have 10mm travel difference but the height of the headtubes seemed weird? so I theight it'd detrimentally effect the bb7's geo if the headtube was low? either way the shiver looks SWEET only thing is it's a pain to carry up the stairs to the flat I recently moved into :cry: and if it's a pain carrying it up the stairs it'd be even more so carrying/pushing it up the local trails (highest point is only 800 ft though! :x why can't it be HIGHER!? lol
PTDC0223a.JPG
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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 19 May 2015, 11:10 

Joined: 18 May 2015, 13:50
Posts: 1
After some time. Maybe a year or so. My BB7 went to the mountain, Loved the ride! :D


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balfa h pé compress.JPG
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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 30 May 2015, 23:12 

Joined: 30 May 2015, 08:32
Posts: 2
My bb7 heavy duty AM bike.. love it. Can't get over how well it handles and pedals. It actually pedals quite well. .. Was truly surprised. Weighs 15.2kg.

ImageImageImageImageImage

The balfa is running the following:
Original Equipment
-2003 Balfa BB7 frame( i think its a medium)
-balfa seat (hence why i havent put a modern one on)
-azonic cranks (not sure of model but they seem to be pretty light)
-Blackspire chain device (although i have removed an idler off it after going to a NW chain ring)
-token head stem of some sort with weird non tapered bearings (might have to change to a chris king or cane creek just because)
-optional balfa floating rear caliper mount

New Equipment
-very custom hand-built (by NS dynamics) 170mm Marzocchi 55 CR Ti's which were made from new parts (as in never sold as a fork) with the lockout ability, converted to air, nickel coat stanchions, low friction seals and bushes and ata travel adjust. (it makes my pikes with the 500 dollar NOVI parts upgrade feel a bit lame now... and that upgrade made the standard pikes feel lame)
-CCDB with 450lb race steel spring (so much lighter than the standard one) and a thrust bearing to boot (going to try and get a CS piece added to it, it will remain a coil shock)
-Easton Havoc 750 or 760 bars
-Thomson 60mm stem
-2012 Codes (with 200mm rotors)
-oury grips
-straightline defacto pedals
-32t wolftooth NW chain ring
-saint 10spd shifter
-XT shadow plus rear derailleur
-xt 11-36 cassette with an e13 42t rear cog and 16t cog added
-Thomson 27.2mm, 125mm dropper post
-Flow EX Rims on hope pro2 hubs running tubeless minion on the front and ikon on the rear to help pedaling (plus rear shock allows for heaps of grip anyway)

Total weight 15.2kg (down from 20.5 when it was in DH guise), losing the old formula hubs, MTX rims (still perfectly true), maxxis DH tubes and Minion DHR dropped 3.5kg alone.

Ride report
- since doing the mods, I have completed over 75km and 1500m+ vertical of single track riding in 3 days.

Climbing
-climbing is a lot better than you would expect for a 12yr old DH bike, in fact it is much better than a majority of AM bikes up until the era of the SB66 (when long travel, proper am bikes started to be able to climb). Yes I have had to dial up the low speed compression a bit but it is no where near the limit of what the CCDB can achieve.
-It however is a lot harder to climb up a big slope compared to the jekyll (especially when set in the 90mm travel climb mode), it will never be the fastest to the top but it will get you there (and up things that other bikes struggle with)
-Where it does come into its own on climbs is on technical climbs (the rooty, ledgy rocky climbs that upsets suspension and has you spinning the rear wheel), this thing can climb and clear sections that i have never been able to clear before as there is zero pedal kick back, zero chain growth (due to the idler), and relies on the high pivot point gove good efficiency rather than locking up the rear suspension (basically the suspension stays active, yet efficient). The 9" of vertical and 2" of rearward travel in the rear really allows you to just pop up and over sections without any loss of traction, even with something light like the ikon.
-Body english is required on the really steep stuff to keep the nose on the deck
-She does like to wander a bit at anything slower than a quick jogging pace.

BUT I NEVER BUILT IT FOR ITS CLIMBING PROWESS, it only ever needed to make it to the top of the hill and to be able to ride all of the trails at the you yangs flat out (on the downs)

Riding (where it counts)
-it is the the best AM bike i have ever ridden on a twisty, rough, descending trail (those that know the bikes that i have ridden and what suspension/geometry work that i have had completed on the jekyll will know that, that is a big call)
-Once the trail flattens and lots of pedaling is required, i'd rather be on the jekyll but i do DH tracks on the Jekyll too (although i do have a V10C for the proper stuff)
-i have never been on a bike that is so fluid when you change directions, so easy. It just tips in, grips, extends out the wheelbase and gets super stable, then shoots you out the other side.
-even on flatter trails that require a lot of pedaling, as long as there are a lot of corners, the thing is fast. I truly am astounded by the lines that this things can hold and just how much i can lean on the front end of the old girl.
-even though the bottom bracket is fairly high, the weight is so low and she just feels so stable and just wants to tip into the corners (you truly have to try it to understand what i mean)
-i have never been so confident in my life to hit big doubles (i hit them on the jekyll no worries but new trails that i dont know), super stable in the air and as i found out, if you case it, that massive travel makes it all dissapear.
-another plus with all that travel, when you hit the rally rough stuff, you can just lean back and let that massively rearward axle path do its thing, again with zero pedal kickback.

Overview
-obviously not the lightest or most efficient bike available but it will get you to the top no problems, even up technical sections that you didnt realise was possible before. Where this bike shines is its cornering prowess, you really do feel like one with the bike (in no time at all), it tips in fast but is ridiculously stable unless you want it to be playful; it also has the added bonus of being able to destroy doubles and even gnarly rock gardens at serious pace.

10/10 would ride... unless you only like to climb hills on your xc hard tail...


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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 07 Sep 2015, 12:59 

Joined: 29 Sep 2013, 13:37
Posts: 1
More greetings from Australia;

I wanted to share a photograph of the Balfa I've just revived.

It's been 10 years since I last rode this BB7, and can corroborate what MrZ32 has said. These frames are amazingly capable.

Frame: 2003
Fork: Dorado Pro
Rear shock: Cane Creek Double Barrel

Cockpit:
Handlebar: Renthal FatBar Riser
Grips: Token
Barends: None
Stem: Renthal Integra Direct Mount
Headset: Blackspire
Seat: SDG Titanium-Fly
Seatpost: Thomson
Seatpost clamp: Generic

Drivetrain:
Cranks: Saint
Bottom Bracket: Saint
Sprocket: Saint
Chain: Saint
Casette: Saint
Pedals: Saint
Chain device: Blackspire Stinger
Rear derailleur: Saint
Shifter: Saint

Wheelset:
Hubs: Easton Havoc
Spokes: Easton
Rims: Easton Havoc
Tyres: Michelin Wild GripR'2
Tube: Tubeless

Brakeset
Calipers: Saint
Levers: Saint
Cables: Saint
Brake fluid: Shimano mineral
Pads: Saint

Weight: Unknown

Attachment:
IMG_4114.JPG
IMG_4114.JPG [ 134.27 KiB | Viewed 5594 times ]


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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 26 Oct 2015, 22:17 

Joined: 26 Oct 2015, 19:44
Posts: 2
I bought my bb7 used from US back in 2007, at that time it looked unused.
After that I've had ca 300 DH days on it. So it has seen more rocks than most bikes.
After quitting DH due to a bad concussion I've had a hard time to get rid of the love of my life.
And after some thought I gave it a new life..

First I built it up with 29er wheels I had on my trail-bike and it works perfectly! But a tad bit high.

But now to the real Fun part.

It fits 27.5 x 3.0!! but its tight! So STIFF wheels are needed.

The latest build is as follows:

Frame: 2003 or 2004 bb7 with updated link plates, axle and pulley.
Fork: X-fusion Trace RL2.
Rear shock: RS monarch 200x51mm that gives me a 166m rear stroke.

Cockpit:
Handlebar: Answer ProTaper Carbon Enduro 720mm Riser MTB Handlebar 31.8 – black
Grips: Lizard Skins Logo Lock-On Peaty Grips
Stem: On-One shorty 35mm
Headset: Raceface SS steel. Same bearings as back in 07..
Seat: Ergon SM3 Pro
Seatpost: thomson elite
Seatpost clamp: bbb

Drivetrain:
Cranks: gravity light
Bottom Bracket: FSA
Sprocket: On-One 34t SS SS-steel
Chain: KMC X10 SL Gold
Casette: 8spd made from a 10spd XT 11-36t, removed the 17t and 11t, machined of 5mm from the inside of the spider.
Pedals: chromag contact
Chain device: MRP
Rear derailleur: Shimano Zee M640 fine tunined with a angle grinder to work with the cusom cassette
Shifter: Shimano Zee M640

Wheelset:
Hubs: Hope pro2 trials
Spokes: Sappim CX-ray
Rims: DT 650B XM551 44mm
Tyres: Specialized Ground Control 650B 3.0
Tube: Schwalbe

Brakeset Formula THE ONE
Brake fluid: Motul RBF600
Pads: Forumula sintered

Weight: 15,6kg

27.5 + Build:
Attachment:
File comment: 27.5+ build
650b_plus-small.JPG
650b_plus-small.JPG [ 226.46 KiB | Viewed 5087 times ]


3mm clearance:
Attachment:
clearance_small.JPG
clearance_small.JPG [ 245.1 KiB | Viewed 5087 times ]


29er Build:
Attachment:
29er_small.JPG
29er_small.JPG [ 202.69 KiB | Viewed 5087 times ]


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 Post subject: Re: POST YOUR BALFA BB7!
PostPosted: 27 Oct 2015, 08:05 
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Joined: 12 Apr 2009, 21:24
Posts: 48
Location: Poland
Whoa, the seat tube angle doesn't look very pedal-friendly ;) But still a cool idea to use 650b+ wheels on the old trusty BB7. Did you measure the clearance against the seat tube under full compression...? I remember it was tight with "normal" setup.

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