SIZE: 45/25a
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COLOUR: Black
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- This is the most adjustable clip on bar on the market (and in history)
- The main purpose of an aerobar is to get the rider into a fast position and despite a fairly minimalist appearance the Sonic/Ergo range offers a comprehensive fit range for exactly this purpose
- 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
- It is worth noting that our previous top level clip on aerobar, the J4/F35 (featuring on carbon clip ons), offered 90 possible configurations
- This increase highlights the significant step forward we have made with our new generation aerobars in allowing riders to precisely adjust their position
- The Ergo armrest shares the flippable design of the rest of our new generation armrests that means by swapping sides or rotating the armrests, smaller increments of movement are achieved – making it simple to fine tune a rider position or match the position from their previous aerobar or bike
- The 4525a extensions have a first section at 45 degree and the grip at 25 degree
- They also have a 7.5mm lateral shift per side (15mm total) to allow fine tuning of the grip width
- Extensions are 400mm long to allow a wide range of riders to fit
- The cable routing is designed to exit from the rear of the extension
- Armrest Offset: -70mm to -2.5mm in 7.5mm steps
- Armrest Width: 124mm to 290mm in 18.5mm steps
- Armrest Stack: 60mm to 70mm in 5mm increments
- Weight is 559 grams
FREE STANDARD SHIPPING ON ORDERS OVER £20.00
DELIVERY OPTION | DELIVERY SPEED* | COST |
Standard | 2-4 Business Days | FREE** |
Express Priority (Orders Over £20) | 1-3 Business Days | £2.99** |
Royal Mail Tracked 24 | 1 Business Day | £5.95 |
DHL Next Day (Mon - Fri) | 1 Business Day | £5.95 |
*Please note that delivery speeds advertised are carrier aims and not a guarantee, this includes 24hr services.
**Orders below £20.00 are subject to a £2.95 postage cost.
Delivery options in checkout may differ due to product availability, size & weight.
Next Day shipping is only available if all items in your checkout are available for Next Day shipping. DHL will only deliver on a standard business day (Mon - Fri).
Our full shipping policy can be found here.
- This is the most adjustable clip on bar on the market (and in history)
- The main purpose of an aerobar is to get the rider into a fast position and despite a fairly minimalist appearance the Sonic/Ergo range offers a comprehensive fit range for exactly this purpose
- 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
- It is worth noting that our previous top level clip on aerobar, the J4/F35 (featuring on carbon clip ons), offered 90 possible configurations
- This increase highlights the significant step forward we have made with our new generation aerobars in allowing riders to precisely adjust their position
- The Ergo armrest shares the flippable design of the rest of our new generation armrests that means by swapping sides or rotating the armrests, smaller increments of movement are achieved – making it simple to fine tune a rider position or match the position from their previous aerobar or bike
- The 4525a extensions have a first section at 45 degree and the grip at 25 degree
- They also have a 7.5mm lateral shift per side (15mm total) to allow fine tuning of the grip width
- Extensions are 400mm long to allow a wide range of riders to fit
- The cable routing is designed to exit from the rear of the extension
- Armrest Offset: -70mm to -2.5mm in 7.5mm steps
- Armrest Width: 124mm to 290mm in 18.5mm steps
- Armrest Stack: 60mm to 70mm in 5mm increments
- Weight is 559 grams
FREE STANDARD SHIPPING ON ORDERS OVER £20.00
DELIVERY OPTION | DELIVERY SPEED* | COST |
Standard | 2-4 Business Days | FREE** |
Express Priority (Orders Over £20) | 1-3 Business Days | £2.99** |
Royal Mail Tracked 24 | 1 Business Day | £5.95 |
DHL Next Day (Mon - Fri) | 1 Business Day | £5.95 |
*Please note that delivery speeds advertised are carrier aims and not a guarantee, this includes 24hr services.
**Orders below £20.00 are subject to a £2.95 postage cost.
Delivery options in checkout may differ due to product availability, size & weight.
Next Day shipping is only available if all items in your checkout are available for Next Day shipping. DHL will only deliver on a standard business day (Mon - Fri).
Our full shipping policy can be found here.