RISER KNEE ASCENDER
RISER Knee Ascender
Understanding that not all of us have the same length legs RISER Knee Ascender has been made available in 2 different lengths to enable the user to find their perfect setup
The RISER Knee Ascender is a low-profile, high-efficiency ascent aid designed to improve climbing flow and reduce effort during rope access and arboricultural work.
Featuring a locking cam, the RISER delivers secure, consistent engagement on the rope, helping prevent accidental disengagement during movement. The compact body keeps bulk to a minimum, allowing smooth integration with modern climbing systems.
An adjustable bungee tether allows the RISER to be precisely tuned to the climber’s height and preferred setup, maintaining optimal cam positioning throughout the ascent and improving overall efficiency.
Compatible with the optional RISER Foot Loop & RISER Chest Harness, the system can be configured to provide additional drive and control when required, making it suitable for long ascents, SRT setups, or heavier work days.
Key Features
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Locking cam for easy instalation
- Available in both 32cm & 42cm Lengths
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Low-profile design for unrestricted movement
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Adjustable bungee for a dialled, personalised fit
- Lightweight Only 149g
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Compatible with optional RISER FOOT LOOP & RISER CHEST HARNESS
- Includes WREN 8kN Auto Lock Micro Carabiner
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Designed for professional arborist use
Built for climbers who value efficiency, simplicity, and reliability, the RISER Knee Ascender is a versatile addition to any modern climbing system.
⚠️ Important: The RISER Foot Loop is NOT PPE and must not be used as a life-supporting or fall-arrest component.
RISER SRT CHEST HARNESS
RISER SRT Chest Harness
The RISER SRT Chest Harness is a lightweight positioning and organisation harness designed to support efficient single rope technique (SRT) climbing setups.
A designated knee ascender attachment point allows clean, consistent alignment of knee ascender systems during ascent, helping maintain smooth rope tracking and improved efficiency.
The harness features a FREE LOOP ATTACHMENT around the waistband. This reduces rubbing / the ability for the main waistband to rorate, improving comfort during long climbs.
With five designated attachment loops, the RISER SRT Chest Harness provides flexible options for positioning friction devices, redirects, or accessories, keeping systems tidy and accessible.
A fully adjustable waistband (32–42"), secured with a quick-release buckle, ensures a fast, secure fit across a wide range of users.
Important: The RISER SRT Chest Harness is NOT PPE and must not be used as a life-supporting or fall-arrest component
Key Features
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Designated knee ascender attachment point
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FREE LOOP attachment to prevent waistband rubbing
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Five designated loops for friction device attachment
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Adjustable waistband: 32"–42"
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Quick-release buckle for fast donning and removal
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NOT FOR PPE USE
Designed to enhance system organisation and climbing efficiency, the RISER SRT Chest Harness integrates seamlessly into modern SRT setups while keeping comfort and clarity front and centre.
⚠️ Important: The RISER SRT Chest Harness is NOT PPE and must not be used as a life-supporting or fall-arrest component.
RISER FOOT LOOP
RISER Foot Loop
The RISER Foot Loop is a lightweight, adjustable accessory designed to increase drive and efficiency when used alongside knee ascender systems.
Constructed from a 30 mm webbing loop with elasticated adjustment from 31–37 cm, the RISER Foot Loop allows precise tuning to suit individual climbers and preferred ascent technique.
A reinforced webbing foot pad provides improved comfort and durability under load, while a separate webbing attachment loop allows clean, dedicated connection to a knee ascender without interfering with primary system components.
⚠️ Important: The RISER Foot Loop is NOT PPE and must not be used as a life-supporting or fall-arrest component.
QUICK STEP Knee Ascender Set
Lightweight and efficient, the Quickstep knee ascender is designed to make rope ascents smoother and less fatiguing. Weighing just 205 g, it’s compact yet durable, compatible with 8–13 mm ropes, and fitted with a 45 cm adjustable foot strap for a secure fit. The high-strength latex rubber bungee provides consistent tension and smooth return, while the included WREN 8 kN carabiner ensures reliable connection.
Note: DUE TO DESIGNATED USE SOLELY AS A KNEE ASCENDER THIS ITEM IS NOT FOR PPE USE AS A CHEST ASCENDER OR ANY OTHER LIFE SUPPORT SINARIOS