Ragley разработал новый стандарт рулевой трубы байка - 44mm ID standard

[vlad_11]

Ragley разработал новую разновидность стандарта рулевой трубы байка - 44mm ID standard для обычных 1и1/8", конусных и 1,5" штоков вилок.

Основная идея - в эту рулевую трубу встанут и стандартные полуинтегрированные 1и1/8" рулевые, новомодные 1и1/8 верх и 1,5 низ, 1,5" внешние рулевые колонки.
Cane Creek уже в деле, вероятно, и Chris King подтянется вскоре.

В 2011г рулевые трубы этого стандарта будут применены на байках Ragley и Nukeproof.

The inch-and-an-eighth headset is pretty old now. Certainly 180mm singlecrown forks weren’t around when it was conceived, and the recent advent of the “tapered fork” has given it another death-knell.
Headset standards are steered by the needs of production bikes. And most production bikes are aluminium, or carbon. Very few are steel. We have used alternative headset sizes on a frame before – our 2009-2010 model Mmmbop frame used a 1.5in because the large downtube sat well with a large headtube.
Fathead tubing (see previous) was pushing downtubes out beyond the 38mm that our old head tube was on the longer travel bikes. And so we needed to simply add more metal to the head tube to get it to the diameter we wanted to weld it up right. Or go bigger.
Earlier in the year, Cane Creek announced a new headset that allowed people to fit tapered steerer forks to bikes that had 1.125in internal headsets. We liked that, and infact, we’d been paying attention since it was first discussed back in January on the mtbr frame forum. We have since played about with a true “integrated” steel headtube, with bearing races part of the frame, but productionwise it was a nightmare. And so, in conjunction with Nukeproof (well, we design for them too) we stepped proudly to a new kind of standard, with our own headset range to cater for everyone. Thankfully, with Cane Creek on board with this standard too, there is some choice, and even Chris King is joining the party apparently.
Options for headsets are:-
1.125in internal (flush fit, low ride height)
1.125in external lower (flush top, external lower cup to maintain correct geometry and give downtube clearance).
1.5-1.125in tapered (flush top, external lower cup). << tapered steerer!
1.5in (external top and lower cups) << yes – 1.5in steerer on a steel frame!
We’re really pleased with the way the new headtubes are working out – the frames look balanced, are strong (stronger than before!) and the fork fitment options have increased massively.

[брякомякс]

с слов мусье ричардса, это не они придуали. просто нашли способ по-новому использовать имеющуюся номенклатуру хромо труб. Не от хорошей жизни.

целенаправленно (в алю!) эту тему внедряет опять же не меньший затейник ДТ, так что лавры скорее ему.

[vlad_11]

с слов мусье ричардса, это не они придуали. просто нашли способ по-новому использовать имеющуюся номенклатуру хромо труб. Не от хорошей жизни.

целенаправленно (в алю!) эту тему внедряет опять же не меньший затейник ДТ, так что лавры скорее ему.

да, Брант тонко уловил тенденцию, подхватил, потер за нее на мтбр и подписал кое-каких производителей. Так что тоже молодец

Вот плоды его терок
Nuke Proof Warhead 44IETS-DC Headset 2011

For 2011, we have totally overhauled our headset line to keep them up with the evolution of mtb frame and fork design and the emergence of new headtube/fork steerer standards.

Precision-engineered to the most exacting of tolerances to provide the optimum fit between headset and frame, the latest generation of Warhead headsets promise the same fit-and-forget performance as their predecessors but now offer compatibility with traditional and emerging standards. We've added 1.5in, taper steerer style headsets to our range, along with a world first headset allowing 1.5in steerer fitment in a 44mm ID headtube.

Featuring sealed angular contact bearings, alloy crown races and upper and lower bearing cups CNC-machined from proprietary aluminium, the Warhead headset offers the optimum balance of light weight, strength and durability for performance across a range of riding disciplines.

All are finished in a super tough black hard anodised finish, with laser-etched graphics.

Features:
• Angular Contact Bearings
• Hard Anodised Finish
• Alloy Crown Race
• Taper locking top race
• Tapered Steerer Compatible
• One Point Five Compatible

Specification:
• Headtube: Ø50x44mm
• Top cup type/depth: Internal 8.5mm
• Bottom cup type and depth: External 20mm
• Stack height: 21mm
• 1-1/8" to 1.5" tapered fork in 44mm dia Headtube
• Weight: 137g

NukeProof _headset_44.jpg