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O’Brien Jr Siege Slalom Ski Z9 Binding Toe Plate

O’Brien Water Sports Jr. Siege Slalom Ski Z9 youth tournament platform merges an injected foam core with a continuous bottom contour to track predictable straight-line edge angles behind sport tow boats.

  • 62-inch junior hulls stabilize deep-water starts.
  • Deep continuous concaves secure tracking grip.
  • 0.080-inch aluminum fin plates maintain carve trajectories.
  • Z9 adjustable bindings lock youth foot placement.
  • Includes 1 Year Limited Components Protection.
$277.00

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SKU: OBR-JRSIEGE-JRZ9-RTP Category: Brand:
SKU:

OBR-JRSIEGE-JRZ9-RTP

Description

The O’Brien Jr Siege Slalom Ski Z9 Binding Toe Plate is a youth performance tournament slalom ski set engineered with a lightweight polyurethane (PU) injected foam core for junior competitive tournament progression, micro-buoy slalom course training, and high-speed wake crossings for youth slalom skiers. Displacing water lines across a high-tensile strength compression molded composite fiberglass wrap builds a calibrated junior responsive flex pattern required to lock an up to 54 kg rider weight range recommendation onto stable edge grip paths. Eliminating youth setup weight parameters at 2.45 kg, this 5.4 lbs slightly wider profile layout to stabilize low-speed junior deep-water starts kit delivers exceptional zero-latency turning radius consistency on 41.8 km/h to 51.5 km/h optimal tow rates.

Sustaining a small forgiving bevel profile through a continuous slalom rocker design allows junior progression racers to preserve true straight-line tracking safely. Continuous stable edge grip driven by a deep continuous concave bottom tunnel converts boat pull tension into zero-latency turning radius consistency across a 157.5 cm ski length class. USA-manufactured baseline standards reinforce the lightweight polyurethane (PU) injected foam core, ensuring this O’Brien Z9 front binding paired with matching rear toe plate (RTP) equipped unit maintains calibrated junior responsive flex pattern parameters under junior high-speed tournament conditions.

Technical Metrics for Model Jr. Siege Slalom Ski + Z9 Binding & RTP Package

  • Primary junior slalom edge hold tracks efficiently from this 62″ youth ski set to optimize high-speed wake crossings over micro-buoy slalom courses.
  • Combustion track stability across wake lines relies on high-tensile strength compression molded composite fiberglass wrap layers to absorb high-frequency water chatter.
  • Hydrodynamic deep continuous concave bottom tunnels slice through turbulent water columns to reduce tracking slip and turn blowouts.
  • Sized for junior competitive tournament progression, the lightweight polyurethane (PU) injected foam core configuration stabilizes low-speed junior deep-water starts.
  • Integrated multi-axis precision micro-insert plate system architecture platforms and an integrated multi-axis precision micro-insert plate system architecture provide substantial binding attachment control.
  • High-tensile strength compression molded composite fiberglass wrap layers generate structural reinforcement surfaces capable of conquering continuous small forgiving bevel profile angles without breaking.

Lightweight Polyurethane Injected Foam Core Design

Structural response velocity increases substantially inside this 5.4 lbs youth slalom structure because the lightweight polyurethane (PU) injected foam core dampens water impacts rapidly during extreme pull phases. The ski protects its structural shape from permanent torsional twist deformation under junior micro-buoy turn loads.

O’Brien Z9 Front Binding and Matching Rear Toe Plates

Chassis stiffness components rebound instantly out of turns via the low-profile front layout boot with quick-adjust bungee lace loops setup to maximize junior cross-wake acceleration bursts. This advanced youth performance tournament slalom ski set configuration optimizes the calibrated junior responsive flex pattern during extended high-speed wake crossings through deep river slalom paths.

O’Brien Adjustable Aluminum Fin Block Custom Systems

The O’Brien adjustable aluminum fin block system eliminates fin alignment shifting risks entirely by transferring tracking forces straight down to the 0.080″ anodized hardened marine aluminum fin plate. This micro-adjust depth and length layout setup allows tournament slalom operators to slice across buoy tracking tracks safely without throwing off custom ski tracking parameters.

Multi Axis Precision Micro Insert Binding Platforms

Multi-axis precision micro-insert plate system architecture binding array systems shift tracking alignments instantly to tailor front boot and rear toe strap placement geometries down the line. This DirectConnect binding mounting platform framework guarantees exact foot control positions during extended high-velocity cross-wake snaps over tight tournament wave fields.

Junior Competitive Slalom Course Corridor Progression

Junior professional water ski racers deploy the slightly wider profile layout to stabilize low-speed junior deep-water starts cleanly. The precision hand-crafted aluminum fin block system ensures smooth line tracking values under full high-speed youth tow rope loading.

O’Brien Jr Siege Slalom Kit Care Protocols

Severe youth tournament slalom skiing runs mandate strict fin setting measurement checks to stop minor alignment shifts from degrading ski turning consistency. Checking the 0.080″ anodized hardened marine aluminum fin plate depth protects your water ski investment under a 1 year limited components protection framework. Pro Tip from the Shop: Periodically lubricate the multi-axis precision micro-insert plate system architecture threads with a drop of clear low-viscosity machine oil to stop fine lake silt grains from locking down the binding adjustment teeth track lines.

O'Brien Jr Siege Slalom Ski Z9 Binding Toe Plate Specs

BrandO'Brien Water Sports
Full Model SKU/CodeJr. Siege Slalom Ski + Z9 Binding & RTP Package
Country of OriginUSA
Water Ski Class / TypeYouth Performance Tournament Slalom Ski Set
Ski Length Class62" / 157.5 cm (Junior-specific tournament blueprint)
Bevel Profile LayoutSmall Forgiving Bevel Profile (Provides a stable ride for junior progression)
Rocker Design ClassContinuous Slalom Rocker (Ensures zero-latency turning radius consistency)
Bottom Tunnel ConfigurationDeep Continuous Concave (Ensures true straight-line tracking and stable edge grip)
Core Construction MaterialLightweight Polyurethane (PU) Injected Foam Core
Outer Carbon Wrap MatrixHigh-Tensile Strength Compression Molded Composite Fiberglass Wrap
Fin Block Assembly TypeO'Brien Adjustable Aluminum Fin Block System
Fin Material & Thickness0.080" Anodized Hardened Marine Aluminum Fin Plate
Flex Rating / Stiffness ClassCalibrated Junior Responsive Flex Pattern
Binding Mounting PlatformMulti-Axis Precision Micro-Insert Plate System Architecture
Rider Weight Range RecommendationUp to 54 kg / Up to 120 lbs
Included Binding Model / DetailsO'Brien Z9 Front Binding paired with matching Rear Toe Plate (RTP)
Vessel Speed Target Range26 mph to 32 mph / 41.8 km/h to 51.5 km/h Optimal Tow Rates
Ski Width Profile (Tip / Center / Tail)Slightly wider profile layout to stabilize low-speed junior deep-water starts
Dry Weight2.45 kg / 5.4 lbs (Combined lightweight youth ski and hybrid binding package weight)
Standard Warranty1 Year Limited Components Protection
ApplicationJunior competitive tournament progression, micro-buoy slalom course training, and high-speed wake crossings for youth slalom skiers

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