Slack Randoms: Attempting to Create a More Efficient Bike, SRAM's Giant ATX Tribute & More

Jul 22, 2023 at 8:38
by Ed Spratt  
We use Slack as our workplace communication tool at Pinkbike and we have a #randoms channel that we use to share an assortment of videos and stories from all corners of the cycling world and beyond... We thought a couple of the moments from the past week were too good not to share with a wider audience, so here are some of the highlights.

Attempting to Create a More Efficient Bike

bigquotesChanging the classic bicycle crank pedal design to make them more efficient. Re-engineering a bike power train was something that has been done before but often by overlooking the pedal operation themselves, probably for good reason. Works By Design

SRAM's Tribute to the Classic Giant ATX

bigquotesIf you're going to pay tribute to a legend, you had better come correct. The Giant ATX was one of the most cutting edge downhill bikes of its era, and when paired with the Boxxer it made riders like Myles Rockwell become a World Champion. With the release of the new Giant Glory Advanced and the all-new 38mm RockShox BoXXer Ultimate, it seemed fitting to combine that winning combo and build up a futuristic dream downhill sled with a throwback look true to it's roots - it's even got the Woody rear derailleur.

Frame: Giant Glory Advanced
Fork: RockShox BoXXer Ultimate, 38mm stanchions
Shock: RockShox Deluxe Coil
Shifter: SRAM Eagle X01 DH
Derailleur: SRAM GX DH "Woody" throwback paint
Chain: SRAM PC-1071
Cassette: SRAM XG-795 Mini Block 10-24T
Crankset: SRAM X01 DH, 165mm
Chainring: SRAM X01 34T
Front Brake: Code Ultimate Stealth 4-piston
Rear Brake: Code Ultimate Stealth 4-piston
Rotors: SRAM HS2 220mm (Fr) / 200mm (Rr)
Handlebar: Truvativ Boobar
Stem: Truvativ Descendant 35mm Direct Mount
Front Tire: Michelin DH34 29x2.4
Rear Tire: Michelin DH34 27.5x2.4
Front Wheel: Stans Flow / Hope Pro 4
Rear Wheel: Stans Flow / Hope Pro 4
Seatpost: Giant Contact 30.9
Saddle: Giant Romero

IFHT's Ultimate Crash Compilation

bigquotesYou won't believe all 69 of these gnarly crashes, bails and fails. IFHT

Mountain of Hell 2023 Full Run POV with Antoni Villoni

bigquotesGoPro Athlete Antoni Villoni shows us how to ride fast, navigate the crashes, + weave his way to the bottom of the Mountain of Hell. This downhill mountain biking race at Les Alpes in France starts high in the snow-capped peaks and takes you through dusty single tracks, expert trails, and technical terrain. Hundreds of riders depart from the mountain summit and make their way down 7,800 vertical feet (2400m) to the finish line in the valley. The rules are simple: first one to cross the line wins... GoPro

Behind The Scenes of 'Urban Freeride Lives Chile'

bigquotesJoin Fabio Wibmer and go behind the scenes as he reveals the secrets of one of the most thrilling features in his latest masterpiece, "Urban Freeride Lives Chile". Canyon Bicycles

Hubless Roller Skates

bigquotesWhat do you know about hubless roller skates? I've never seen anything like this before! So, behold - truly hubless skates that work almost flawlessly! All you need - roller skates, bearings, some metal and time. The Q

Cigaretta in Soil - 1 Year Time Lapse

Demonstrating the Effects of GeForce on the Human Face in Slow Motion

Author Info:
edspratt avatar

Member since Mar 16, 2017
3,137 articles

  • 11 0
 "pigeon-brained fart detectives"
  • 4 0
 What a time to be alive.
  • 9 0
 That poor little cigarette tree don't make it. It's hard for them to survive outside of flavour country.
  • 8 1
 That drivetrain is a really complex way of doing what biopace/oval chainrings do very simply. Interesting stuff though
  • 10 0
 Which is funny because the bike he has the contraption on has a biopace crankset installed already
  • 1 0
 @Xyphota: I thought it did but couldn't tell if it was just my eyes. Surely biopace should have led to the original trace being a flatter shape than it was?
  • 2 0
 'Hubless' is nonsense. It has a hub, the axle is just way bigger, big enough to make it hollow.
Quick release hubs and current hubs both have a hollow axle too.
So, how large has the hole got to be to suddenly make the system 'hubless'?
  • 5 0
 That IFHT video is a bit weird. Puppets have a right to live too!
  • 1 0
 its a @Pit-Viper promo, what did you expect???
  • 1 0
 No worries, puppets have been used only for the trailer…
  • 4 0
 Generally, when I see the word "insane" in a youtube video title or thumbnail it's an instant block.
  • 3 0
 Hubless Roller Skates. The tires are flat. How long did it take that guy to make those?
  • 4 0
 A lot longer than it would have taken him to just buy a pair of off road skates and most likely a lot more money.
  • 4 0
 Is the front hole the same as tHE bonus hole?
  • 5 4
 SRAM should attempt to stop making defective stamped cassettes and rear derailleurs that are ridiculously sensitive to b-tension.
  • 5 5
 Honestly adjusting the b-tension is one of the easiest things to do on any derailleur.
  • 5 0
 @seraph: Oh yeah perfectly sagging your bike while holding a cheap, easily broken plastic gauge on your sprocket and derailleur. Also SRAM's deraileurs are most sensitive to hanger alignment.
  • 3 0
 @cogsci: There's actually a quick fix for that now... you just give Sram $1600 and they make all that pain disappear.
  • 2 0
 That Glory is an absolute work of art!! I loved the OG ATX1 bit wow that is unbelievable
  • 2 0
 I'll bet Fabio could build a really nice deck too.
  • 1 0 that italian?
  • 2 0
 In italian is "sigaretta"
  • 1 0
 “Guaranteed to puke out of your face, ass and front holes”
  • 1 0
 awesome work giant, you made a bike almost as ugly as the atx
  • 1 0

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