bomba de inflado para tubeless 119 €
http://www.todomountainbike.es/art/bontrager-flash-charger-tlr-bomba-compresor
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Aterrizaje forzoso enla ruta de hoy jejeje ,que arte tengo
Posted by Julio Cayuelas Jimenez on Miércoles, 29 de abril de 2015
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Un video corto y muy impactante, me dejó sin palabras.
Posted by Alberto Sardiñas on Viernes, 27 de marzo de 2015
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Copa de España de MONTAÑA :: Vive una experiencia única
09 de Mayo Trail Madrid 68km-41km-21km San Lorenzo del Escorial (Madrid)
17 de Mayo Ultra Trail Picos de Europa – I Cto. España de Trail 33km Benia de Onís (Asturias)
30 de Mayo Circular de Tejeda (21,5km) Tejeda (Gran Canaria)
14 de Junio IX Subida Rocas o Eirado – Cto. España de Montaña (13,1km – Subida) Esgos (Ourense)
19 de Julio Cercedilla Trail Race (25km) Cercedilla (Madrid)
05 de Septiembre No hay Pitera Subida al Cielo de Longas (17,2km) Longas (Zaragoza)
25 de Octubre Carrera de Montaña de Urkiola 12km Abadiño (Vizcaya)
http://www.rfea.es/sirfea/ficheros/comunicados/documentos/2015413132626.pdf
ACUATLON DE RIVAS VACIAMADRID el sábado 2 de mayo
http://psinnovamail.com/redirector.aspx?id=e57b314b-a3e7-4290-985d-8e8a12b75518&destino=http://www.ducrosseries.es/pruebas/ironchild_Acuatlon_de_Rivas_2015.php
ACUATLON DE VALDEMORO el sábado 9 de mayo
http://psinnovamail.com/redirector.aspx?id=e57b314b-a3e7-4290-985d-8e8a12b75518&destino=http://www.ducrosseries.es/pruebas/ironchild_Acuatlon_de_Valdemoro_2015.php
ACUATLON DE ALCORCON el domingo 31 de mayo
http://psinnovamail.com/redirector.aspx?id=e57b314b-a3e7-4290-985d-8e8a12b75518&destino=http://www.ducrosseries.es/pruebas/ironchild_Acuatlon_de_Alcorcon_2015.php
Inscripciones abiertas
http://psinnovamail.com/redirector.aspx?id=e57b314b-a3e7-4290-985d-8e8a12b75518&destino=http://www.rockthesport.com/evento/ironchild/inscripcion/selecciona-tarifa?frame=780
DU CROSS VILLANUEVA DE LA CAÑADA el 17 de mayo.
Date prisa y ELIGE TU DORSAL las inscripciones a precio reducido terminan el martes 12 de mayo.Con camiseta de tirantes de regalo.
Conoce la nueva categoría por relevos DU x 2. Un participante hace la fase de RUN y su compañero la BIKE.
+ INFO pincha DU CROSS VILLANUEVA
http://psinnovamail.com/redirector.aspx?id=e57b314b-a3e7-4290-985d-8e8a12b75518&destino=http://www.ducrosseries.es/pruebas/ducross_Du_Villanueva_2015.php
TRI CROSS series
Os recordamos que ya están abiertas las inscripciones para las 3 pruebas del TRI CROSS en Fuentidueña de Tajo, San Martin de Valdeiglesias y Boadilla del Monte.
un saludo deportivo
DU CROSS events
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Sea Otter: Shimano Deore XT M8000 11-Speed
Shimano trickles down 11-speed to XT but adds the hallowed 42-tooth cog
By Francis Cebedo April 24, 2015 COMPONENTS SEA OTTER CLASSIC
2015 Sea Otter Classic
This Santa Cruz Bronson is decked out with the XT M8000 Group
What is it?
Who doesn’t like Shimano XT? Any serious mountain biker has touched XT at one point or another as it was the first dedicated mountain bike group and it has always been the standard for value and performance. XTR is the golden child of Shimano with the latest technology, the lightest weight and the best looks. And there’s always a lag between the launch of the new XTR and the ‘trickle-down’ of this new technology to XT. Well the wait is almost over as the new XT has been introduced at Sea Otter 2015.
More than trickle-down
The good news is since this space is ultra-competitive at the moment, Shimano seized the opportunity to introduce new technology in XT that was not present in the latest XTR. Most notable of which is the introduction of the 11-42T cassette. In addition to the 11-40T, this new 11-42T cassette will complement the XT group for 1×11 setups. This cassette can be used in existing 11 speed XTR setups as well. The spacing between the cogs will not be as close as the 11-40 but the presence of the 42T cog is critical for achieving a proper low gear in a 1×11 setup. The 11-42T is not approved for 2×11 use but we don’t know at the moment if it will not work or it is merely not advised for optimal operation.
XT M8000 Rear Derailleur
There are now two options for the rear cassette, 11-40 and 11-42 (click to enlarge).
Quite a looker but no Di2
The new XT group steals the crown from XTR as most desirable looking component group. The cranks look absolutely dialed and the black on black finish is understated and will match any bike.
Di2 is not present on XT at the moment but we fully expect that to be introduced in the future. Since everything on XT is compatible with XTR, one can conceivably purchase the Di2 specific components and match with some XT to lower the cost of entry into Di2.
Performance
We haven’t ridden the XT yet but we fully expect it to come very close to matching the performance of XTR just as it’s done so in the last few generations. The main compromise is usually weight. And we’ve been testing the latest 2×11 XTR group and it has been remarkable. Rear shifting is impeccable and front shifting is better than anything we’ve experienced before. With the wider range in the rear, Shimano was able to close the gap between the two front rings and this results in better shifting and less loss of pedaling cadence.
Expanded Rhythm Step gear options
Like its XTR sibling, Deore XT M8000 offers 1×11, 2×11, and 3×11 crank options to satisfy any type of rider ability level or terrain. New 2×11 and 3×11 M8000 drivetrains, expand range while maintaining even better rhythm when paired with an 11-40T cassette for optimized cadence control. An exciting addition for Deore XT M8000 is a 1×11 specific 11-42T cassette that expands Shimano’s 1×11 gear range slightly over the race inspired 11-40T of XTR.
HG-X11 specific tooth profile
Aluminum spider
Aluminum (40T/42T) and steel cogs
Rhythm Step progression
11-13-15-17-19-21-24-27-31-35-40
11-13-15-17-19-21-24-28-32-37-42
Cranks are available for 2x or 1x.
Cranks are available for 2x or 1x (click to enlarge).
Deore XT cranks Rider Tuned for any terrain
Deore XT M8000 cranks feature Rider Tuned 11-speed gearing that will take you anywhere you want to go. Whatever option you choose, new materials provide consistent long-life shifting performance and chain management.
The Dynamic Chain Engagement (DCE) 1×11 tooth profile in new XTR and DEORE XT groups increases chain retention force by 150%, drastically decreasing dropped chains. Stainless steel chain ring teeth provide long life and lasting chain retention.
All new Deore XT cranks turn on an updated bottom bracket that reduces weight and bearing drag while improving mud durability.
Most advanced Deore XT chainrings ever produced
Long wearing and great shifting
Carbon/stainless steel construction (outer or middle ring)
1×11 with Dynamic Chain Engagement
Offered in 30T, 32T, and 34T
True Trail 2×11
Optimized gear combination for improving shifting quality and driving efficiency
Offered in 34-24T, 36-26T, 38-28T
Bold 3×11 for the lowest gear and widest range ever produced
Offered in 40-30-22T
Chainline +3mm outboard cranks offered for 148 OLD hubs
+3mm outboard chain line
1×11 with 30T, 32T, and 34T
2×11 with 36-26T
New bottom bracket
Press fit and threaded options
Improved durability
Reduced seal drag
Lighter weight
Rear derailleurs have lighter action.
Rear derailleurs have lighter action (click to enlarge).
Redesigned, lighter action derailleurs
Both the front and rear Deore XT M8000 derailleurs receive a complete makeover.
The Deore XT M8000 rear derailleur features Shimano’s pioneering Shadow RD + technology and a refined geometry for increased stability. The Shadow RD + is also now more easily adjustable for either maximum stability or lower shift effort.
New Shadow design with optimized, shallow slant angle
Extremely low profile design
Reduced shift effort
Improved driving and shifting stability
External adjusting clutch tension
1×11 and 2×11 compatible GS and 3×11 compatible SGS options
High efficiency pulleys
Direct mount compatible
Debuted on XTR M9000, the Deore XT Side Swing front derailleur brings a drastic reduction in shift effort while also increasing tire clearance.
FD-M8020 2×11 and FD-M8000 3×11 options
Light, crisp shift action
New structure with current mounting options and new cable routing
High clamp, Low clamp, D-type, E-type (without plate)
Increased tire clearance allows for shorter chainstays
Designed with long travel trail bikes in mind
Sea Otter: Shimano Deore XT M8000 11-Speed
Shimano trickles down 11-speed to XT but adds the hallowed 42-tooth cog
By Francis Cebedo April 24, 2015 COMPONENTS SEA OTTER CLASSIC
Levers are more ergonomic.
Levers are more ergonomic (click to enlarge).
Deore XT shifters enhance feel, ergonomics, reduce shift effort
Shimano’s new Deore XT M8000 shifters feature improved ergonomics and longer, textured levers that create an enhanced interface between rider and controls and decrease shift effort. Multi Release shifting increases trail capability while Vivid indexing guarantees shift accuracy.
20% lower shift effort with new Optislick cable
Improved vivid index mechanism
New ergonomics
Textured levers
Multi / Instant and 2-WAY release
Braking is better than ever.
Braking is better than ever (click to enlarge).
Industry-standard braking is even better
Deore XT hydraulic disc brakes are the industry benchmark for affordable high performance. With M8000, Shimano retains that standard while upgrading with a new, integrated master cylinder. This gives a sleeker look, saves weight and frees up valuable handlebar space.
Trail rated for power
Servo Wave levers offer high power and short stroke
Integrated master cylinder is lighter, cleaner and more durable
Refined Servo Wave for improved feel and feedback
Narrow clamp band offers increased adjustment
Free stroke and tool-free reach adjust
Lighter, wider rimmed Deore XT Race and Trail wheels
The WH-M8000-TL-275/29 and WH-M8020-TL-275/29 offer new tubeless-ready aluminum rims in 20mm and 24mm internal width respectively. Each rim provides a wider platform for modern mountain bike tires while also saving 40 grams over previous models. All wheel sets use 28 butted spokes both front and rear.
Tubeless aluminum options
Trail (WH-M8020) with 24C tubeless rim
Race (WH-M8000) with 20C tubeless rim
New lightweight hubs feature
28 butted spokes front and rear
Hand-built Shimano quality
The XT pedal is the standard for all clip-in pedals and this version has an improved contact area.
The XT pedal is the standard for all clip-in pedals and this version has an improved contact area (click to enlarge).
Deore XT pedals offer wider, redesigned platform
Shimano’s new PD-M8000 Race and PD-M8020 Trail pedals offer legendary SPD performance that improves the rider experience at this vital connection point. With increased stability and contact area over the previous generation, power, control and confidence are improved.
Race (PD-M8000) and Trail (PD-M8020) models
2.8mm wider platform increases stability PD-M8000 (vs PD-M780)
3.3mm wider platform increases stability PD-M8020 (vs PD-M785)
Lower platform height by 0.5mm
Increased pedal-to-shoe contact area improves efficiency
PD-M8000 Race: 7.7% more contact (vs PD-M780)
PD-M8020 Trail: 11.7% more contact (vs PD-M785)
Pricing has not been determined but we expect it to very close to the outgoing XT’s pricing. For more information visit bike.shimano.com.
This article is part of Mtbr’s coverage of the 2015 Sea Otter Classic in Monterey, California. For more from Sea Otter CLICK HERE.
http://reviews.mtbr.com/category/sea-otter-classic
http://reviews.mtbr.com/sea-otter-shimano-deore-xt-m8000-11-speed
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