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Profile Design's F-19 Replacement Pads are the correct ones for their F-19 armrests. These pads feature Lycra-covered medium-durometer foam and are held on with Velcro backing.

Riser kits increase stack height to fit a wide range of riding styles for efficient positioning; compatible with ZBS Aerobars, T Plus Carbon Series Aerobars, T Plus Aluminum Series Aerobars, Supersonic Aerobars, Sonic Aerobars, and Subsonic Aerobars. - Multiple kits can be used to reach desired height up to 80mm rise - Raises armrest and extensions together to maintain a comfortable wrist position - Kit includes a pair of risers, bolts specific to riser size, and mounting hardware - Risers are compatible with J2, J3, and J4 Aerobar brackets - Clamp diameter: 31.8mm

Profile Design's Aerobar Bracket Riser Kit lets you customize the height of your Profile aero bar brackets and extensions for finding a perfect riding position. The kit includes two 10mm risers, two 5mm risers and appropriate-length bolts. Multiple kits can be used if you need more height. Note that this kit is not recommended for Profile Design's Carbon Stryke or T-mag bars.

The new range of extensions have evolved from our well proven T-Series. They have been designed to offer distinct fit options. We have also adopted a new naming system whereby the name gives the angle material of the extension. Thus 35a is a 35° bend in aluminum. Performance - The sole purpose of extensions is to provide a comfortable position for the riders hands relative to the armrests. They enhance performance by allowing the rider to relax into their optimal position. Which is why we provide different fit options so each rider can chase their best performance. Fit Data - Extension Shape: A 35 degree ski-bend extension suited to riders who prefer to adopt a wrist angle that is on the low side of the neutral range. - The 35a is a straight 35° bend. Tech Guide - All the extensions have a 22.2mm diameter in the clamping area. - They are designed for cables to be routed out the rear of the extensions so do not have cable exit holes. Who is it for? - The extensions will fit in any aerobar that is designed for 22.2mm. So can be used by any rider wishing to improve the comfort of their aerobar grips. - Length: 340mm or 400mm - Outer Diameter: 22.2mm - Construction: 6061-T6 aluminum, pre-drilled for bar-end shifter cable routing - Weight: 200g/pair

The new range of extensions have evolved from our well proven T-Series. They have been designed to offer distinct fit options. We have also adopted a new naming system whereby the name gives the angle material of the extension. Thus 4525a is a 45° / 25° bend in aluminum. Performance - The sole purpose of extensions is to provide a comfortable position for the rider's hands relative to the armrests. They enhance performance by allowing the rider to relax into their optimal position. Which is why we provide different fit options so each rider can chase their best performance. Fit Data - The 4525a extensions have a first section at 45° and the grip at 25°. The rider can choose whether to hold high for the shrugged position or low for a more open, head up position. - The 4525a offer a 7.5mm lateral shift per side. This allows the rider to get their hands narrower or wider without tilting the extensions so much that the shifters touch. Origin - Recent Trends in aerobar fit have been towards higher hand positions, so we've increased the rise compared to previous generation extensions. We have focused on the most popular angles from our previous range and added the 45/25a as a multi position option. Tech Guide - All the extensions have a 22.2mm diameter in the clamping area. - They are designed for cables to be routed out the rear of the extensions so do not have cable exit holes. Who is it for? - The extensions will fit in any aerobar that is designed for 22.2mm. So it can be used by any rider wishing to improve the comfort of their aerobar grips. - Length: 400mm - Outer Diameter: 22.2mm - Construction: 6061-T6 aluminum, pre-drilled for bar-end shifter cable routing - Weight: 200g/pair

The new range of extensions have evolved from our well proven T-Series. They have been designed to offer distinct fit options. We have also adopted a new naming system whereby the name gives the angle material of the extension. Thus 50a is a 50° bend in aluminum. Performance - The sole purpose of extensions is to provide a comfortable position for the riders hands relative to the armrests. They enhance performance by allowing the rider to relax into their optimal position. Which is why we provide different fit options so each rider can chase their best performance. Fit Data - Extension Shape: A 50a extensions offer a 50° ski bend shape. - The 50a offer a 7.5mm lateral shift per side. This allows the rider to get their hands narrower or wider without tilting the extensions so much that the shifters touch. Origin Recent Trends in aerobar fit have been towards higher hand positions, so we've increased the rise compared to previous generation extensions. We have focused on the most popular angles from our previous range and added the 50a as a multi position option. Tech Guide - All the extensions have a 22.2mm diameter in the clamping area. - They are designed for cables to be routed out the rear of the extensions so do not have cable exit holes. Who is it for? - The extensions will fit in any aerobar that is designed for 22.2mm. So can be used by any rider wishing to improve the comfort of their aerobar grips. - Length: 400mm - Outer Diameter: 22.2mm - Construction: 6061-T6 aluminum, pre-drilled for bar-end shifter cable routing - Weight: 200g/pair

Flip-up armrest leaving the base or drop bar clear for riding with your hands on the flat section of the handlebar. - Construction: 6061-T6 Forged Aluminum - Stack Height: 24mm - Width Adjustment: 37mm - Clamp Diameter: 31.8mm (26.0 w/Shims) - Weight: 242g

The forged aluminum bracket offers solid, easy-to-use construction alongside an industry-leading fit range. It is also compatible with our riser kits. The bracket is designed for 31.8mm bars and 22.2mm extensions in aluminum or carbon. - Materials: Forged 6061-T6 AL - Stack Height: 42.6mm - Width Adjustment: 37mm - Basebar Clamp Diameter: 31.8mm - Extension Clamp Diameter: 22.2mm - Weight: 234g

Ergonomic Legacy II Aerobars feature extensions that provide a variety of hand positioning, and width and rotational armrests with a high stack to achieve a relaxed ride position. Ideal for riders that need extra positions for Centuries. - Injected Venturi Armrest and ZB Bracket - Forged 6061-T6 construction with armrest made of injected nylon and glass fiber - Fixed extension adjustment - Extension angle 44 degrees with 58mm rise - Fits both 26.0 and 31.8mm basebars, shims included

Our new Sonic bracket has been designed as the successor to the J2, which has been a somewhat ignored part of our range. With this update, it brings our new generation fit range to a wider range of price points, replacing the J2 bracket. The Ergo armrest has been created to offer both a huge upgrade in fit range as well as increased rider comfort with a supportive curve to cup the arms. Performance - The Sonic/Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible. The main purpose of an aerobar is, of course, to get the rider into a fast position. Despite a fairly minimalist appearance, the Sonic/Ergo offers a comprehensive fit range for exactly this purpose. Fit Data - The extension length and rotation can be easily adjusted using the top bolt. There are 100 distinct position options achievable just by moving the armrests. Combine that with the risers and this bar offers 1500 possible configurations. As a clip-on bar it is also possible to adjust the extension width and tilt easily. This is the most adjustable clip-on bar on the market (and in history). It is worth noting that our previous top level clip-on aerobar, the J4/F35, offered 90 possible configurations. This highlights the significant step forward we’ve made with our new generation aerobars in allowing riders to precisely adjust their position. Origin - After we released the Supersonic (J5) as a premium bracket with market-leading fit options and versatility, we wanted to bring the same kind of options to the rest of our range of brackets and thus aerobars. By simplifying the extension clamp and shifting the wing forward to the bar center line, we were able to meet our targets. As a consequence of the simplification the Sonic is the lightest of our current brackets. The Ergo armrest shares the flippable design of the rest of our new generation armrests. By swapping sides or rotating the armrests smaller increments of movement are achieved – making it simple to fine tune a riders position or match the position from their previous aerobar or bike. - Bracket: Sonic - Clamp Diameter: 31.8mm (26.0 w/Shims) - Armrest: Ergo / 10mm Pads - Armrest Width: 124mm to 290mm in 18.5mm steps (with Extensions at 100mm) - Armrest Offset: -70mm to -2.5mm in 7.5mm steps - Armrest Stack: The minimum is 60mm and the bracket is compatible with our existing risers which add up to 130mm stack with (70mm of spacers added) - Weight: 559g

Our new Sonic bracket has been designed as the successor to the J2, which has been a somewhat ignored part of our range. With this update it brings our new generation fit range to a wider range of price points, replacing the J2 bracket. The Ergo armrest has been created to offer both a huge upgrade in fit range as well as increased rider comfort with a supportive curve to cup the arms. Performance - The Sonic/Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible. The main purpose of an aerobar is, of course, to get the rider into a fast position. Despite a fairly minimalist appearance, the Sonic/Ergo offers a comprehensive fit range for exactly this purpose. Fit Data - Armrest Offset: -70mm to -2.5mm in 7.5mm steps - Armrest Width: 124mm to 290mm in 18.5mm steps (With Extensions at 100mm) - Armrest Stack: 60mm (no riser kit) to 130mm in 5mm increments (With aftermarket Riser Kit) - The extension length and rotation can be easily adjusted using the top bolt. There are 100 distinct position options achievable just by moving the armrests. Combine that with the risers and this bar offers 1500 possible configurations. As a clip-on bar it is also possible to adjust the extension width and tilt easily. This is the most adjustable clip-on bar on the market (and in history). It is worth noting that our previous top level clip-on aerobar, the J4/F35, offered 90 possible configurations. This highlights the significant step forward we’ve made with our new generation aerobars in allowing riders to precisely adjust their position. Origin - After we released the Supersonic (J5) as a premium bracket with market-leading fit options and versatility, we wanted to bring the same kind of options to the rest of our range of brackets and thus aerobars. By simplifying the extension clamp and shifting the wing forward to the bar center line, we were able to meet our targets. As a consequence of the simplification the Sonic is the lightest of our current brackets. The Ergo armrest shares the flippable design of the rest of our new generation armrests. By swapping sides or rotating the armrests, smaller increments of movement are achieved – making it simple to fine-tune a rider's position or match the position from their previous aerobar or bike. Extensions - Extension Shape: A 35 degree ski-bend extension suited to riders who prefer to adopt a wrist angle that is on the low side of the neutral range. - The 35a is a straight 35° bend. - Bracket: Sonic - Clamp Diameter: 31.8mm (26.0 w/Shims) - Armrest: Ergo / 10mm Pads - Armrest Width: 124mm to 290mm in 18.5mm steps (with Extensions at 100mm) - Armrest Offset: -70mm to -2.5mm in 7.5mm steps - Armrest Stack: The minimum is 60mm and the bracket is compatible with our existing risers which add up to 130mm stack with (70mm of spacers added) - Weight: 559g