BMX Weight Weenie

Questions about bike hire abroad and everything light bike related. No off-topic chat please

Moderator: Moderator Team

xnavalav8r
Posts: 2643
Joined: Mon Jan 21, 2008 12:09 pm

by xnavalav8r

Disc brakes are the future in BMX. Tons of bikes over here in Europe with discs. My favorite is the Josh Bicycles version.

Image

legendofjd3
Posts: 13
Joined: Wed May 18, 2011 4:41 am

by legendofjd3

Here's my pro sized Carver titanium cruiser. The lightest pro sized cruiser there is. Weighs in at 7.03kg (15.68 pounds).

Image
Image

The frame is a 2 lb 13 oz titanium Carver cruiser using the geometry of a 2011 Floval Flyer

Fork- Answer Dagger- 24oz
Headset- Chris King 90 grams
Cranks- FSA Carbon Pro 175mm Spiderless 365 grams
Pedals- Rockbros Platform Pedals with titanium Axle 171 grams
Chain- KHE Tanga Light - 211 grams
Tires- Intense MK2 Folding- 404 grams for the front 402 grams rear
Tubes- Eclipse world's lightest tubes *** 50 grams each
Seatpost- KCNC Ti Lite 146 grams ***Uncut at 400mm***
Seat- Tioga Spyder Twin Tail 143 grams
Seat Clamp- XXL 9.4 grams
Bars- Custom Carver Titanium with laser etching for knurls- 366 grams
Grips- Titec 15 grams
Stem- Primo Aneyerlator with titanium bolts 213 grams
Bottom Bracket- Sinz titanium spindle with carbon shell 145 grams
Brake - Paul V-brake with all titanium hardware 165 grams
Lever- 2012 Aest Lever 28 grams
Brake Cable- Jag titanium
Hubs- Profile mini with titanium driver and titanium female bolts with Red Profile volcano bolts
Spokes- Titanium spokes
Nipples- Aluminum
Rims- FMF Powermoto 1.75
Sprocket- Custom Homebrewed Components Spline ISIS drive without the spider
Valve Caps- Mowa CNC 4 grams each
Rim Strip- Yellow Velo Plugs- 6 grams each tire
Last edited by legendofjd3 on Tue Jul 08, 2014 4:21 pm, edited 1 time in total.

by Weenie


legendofjd3
Posts: 13
Joined: Wed May 18, 2011 4:41 am

by legendofjd3

Here's another pro sized cruiser I built up last week. Nothing fancy with this one but still weighs 8.66 kg. A little bit a titanium and carbon fiber here and there. It's my main bike that I ride and it's super fast with 36-13 gearing.

Image
Image
Image
Image
Image

drainyoo
Posts: 736
Joined: Sun Jun 17, 2007 6:56 pm

by drainyoo

Damn dude, these are awesome. You're making me want to build one now. I've been thinking about building a simple BMX that I can use when riding with my son. Any kind of weight limit on this?

I built this Dyno up a few years ago, but it weighs more than a tank.

Image

xnavalav8r
Posts: 2643
Joined: Mon Jan 21, 2008 12:09 pm

by xnavalav8r

It's all about power-to-weight... tanks are not such a big deal for us adults.

xnavalav8r
Posts: 2643
Joined: Mon Jan 21, 2008 12:09 pm

by xnavalav8r

Ready for the BMX World Championship next week in Rotterdam.

Image

Image

austke
Posts: 204
Joined: Mon Jan 16, 2012 7:03 am
Location: Queensland Australia

by austke

I'm chasing some ideas for a few new weenie parts for my sons bike. Chasing a new rear hub, new grips (locking?). And chain, was thinking KMC X10sl? Any one got weights for these various item?
Cheers.
2013 Giant TCR Advanced SL 0, 6.92kg
2013 Giant Defy Composite 2 M, 8.5kg - Wife's
Azzurro Torino 8.55g
Fuji 650 10.8kg
Miele Lupa Triple Tandem 38,89kg

legendofjd3
Posts: 13
Joined: Wed May 18, 2011 4:41 am

by legendofjd3

Not really a 'weight weenie' but i did knock off a pound with upgraded seatpost (Thomson Masterpiece) and some lighter Paul brakes. Along with a few tiny bits of titanium here and there. A touch over 26 pounds now (11.88kg)
Image
Image
Image

austke
Posts: 204
Joined: Mon Jan 16, 2012 7:03 am
Location: Queensland Australia

by austke

Legend, is it a 24in Cruiser?
I heard X10-X11 Chains fit, but it didn't appear to sit in the Chainwheel on my sons bike too well. It a 20in Mongoose. Just fiddling around we have got it down to 12.54kg. From 13.70kg. Am in need of a Hub for the rear, but not really sure which way to go.
2013 Giant TCR Advanced SL 0, 6.92kg
2013 Giant Defy Composite 2 M, 8.5kg - Wife's
Azzurro Torino 8.55g
Fuji 650 10.8kg
Miele Lupa Triple Tandem 38,89kg

xnavalav8r
Posts: 2643
Joined: Mon Jan 21, 2008 12:09 pm

by xnavalav8r

I am a big fan of Alienation hubs. They are actually made by American Classic. Beautifully made, perform perfectly.

We've been using X10SL chains on all our bikes without issue. However, as noted, they don't play nicely with all BMX cogs. I used Dura Ace cogs on the rear with standard Answer BMX chainrings. No problems.

(See photo of Speedco above.) :smartass:

austke
Posts: 204
Joined: Mon Jan 16, 2012 7:03 am
Location: Queensland Australia

by austke

That Ted, I was hoping you'd share some insight. As I know you've done a lot of research for your Boy's bikes. I've heard good things about Alienation Hubs from a few ppl. Just wasn't sure how they stacked up weight wise. But after a little searching, it looks like they will do the job nicely.
Thanks again.
Happy New Year.
2013 Giant TCR Advanced SL 0, 6.92kg
2013 Giant Defy Composite 2 M, 8.5kg - Wife's
Azzurro Torino 8.55g
Fuji 650 10.8kg
Miele Lupa Triple Tandem 38,89kg

User avatar
madcow
Shop Owner
Posts: 3744
Joined: Sun Feb 06, 2005 4:22 pm
Location: Tucson, Az.
Contact:

by madcow

For the chain we'd recommend the X9SL, virtually the same weight as the X10SL or X11SL, but the added width is bonus with some cogs. Weight varies based on the length you need, but typically they're around 200-210 grams cut to length. We put Corben Sharrah on one last year and he's been through the world championships, 2 world cups, a couple nationals and grands on it, all without any issues.

For the grips I tend to avoid lockon's since they add so much weight. I recommend either the Lizard skins which are a tape on or a standard foam grip like Kcnc/Extralite, but installed with a few drops of tubular tire glue.

Here's what we did for Corben, not silly light, but at under 15 pounds it's about as light as you can go for one of the strongest pro riders in the sport.

Image

User avatar
Frankie - B
Administrator
Posts: 6618
Joined: Mon Jun 02, 2003 8:17 am
Location: Drenthe, Holland

by Frankie - B

those cf wheels!
'Tape was made to wrap your GF's gifts, NOT hold a freakin tire on.'

austke
Posts: 204
Joined: Mon Jan 16, 2012 7:03 am
Location: Queensland Australia

by austke

Wow Madcow, now that is definitely the nicest BMX I have ever seen.
Using a x9sl for the extra width is a handy tip.
Any chance of a break down of the parts used for this build? And weights?
Haha, I'm probably pushing it now.
Cheers Ken.
2013 Giant TCR Advanced SL 0, 6.92kg
2013 Giant Defy Composite 2 M, 8.5kg - Wife's
Azzurro Torino 8.55g
Fuji 650 10.8kg
Miele Lupa Triple Tandem 38,89kg

User avatar
madcow
Shop Owner
Posts: 3744
Joined: Sun Feb 06, 2005 4:22 pm
Location: Tucson, Az.
Contact:

by madcow

Here's a build list:

Frame: Haro Clutch
Fork: Haro prototype with modified Supercross 20mm adapter
Headset: Kcnc R1
Top Cap: Fair Wheel custom
Crank Arms: Race Face
Bottom bracket: HSC Ceramic
Chainring: Rennen
Chainring bolts: Kcnc SL
Chain: Kmc X9SL
Cog: Chris King Stainless
Rims: Fair Wheel Carbon 50mm
Spokes: Mixed Sapim CxSuper (front) and CxRay (rear).
Nipples: DT Prolock alloy
Hubs: Chris King
Brake Caliper: Extralite
Brake pad holders: EE Cycleworks
Brake pads: Enve carbon
Brake Lever: Extralite Ultralever2
Brake Cable: Alligator 31strand
Brake housing: Alligator I-Link
Handlebars: Haro Corben Model
Grips: Lizard Skin DSP
Stem: Thomson custom
Seat: Tune Speedneedle
Seatpost: Tune carbon Custom
Seat collar: Kcnc SC9
Tires: Tioga
Tubes: Eclipse
Valve Extenders: Enve
Pedals: Time MX8

There have been a couple changes since that picture. It was pictured with DT hubs but has King in it. Tires have also gone to Maxxis DTH and seatpost was swapped for an Enve cut to length. I don't have weights of everything, but I do have some pics of a few parts on the scale.

Image

Image

Image

Image

Image

Image

Image

Image

We also did a 2nd bike for him which was virtually the same but with a white frame instead of black. A slightly different gear ratio and low profile rims for outdoor tracks.

Image

by Weenie


Post Reply
  • Similar Topics
    Replies
    Views
    Last post