Thanks to the unique Seat-Lock attachment system, the Seat-Pack QR is quickly and securely mounted and just as speedily removed, completely residue-free. An adapter even enables the use of a dropper post, making the innovative Seat-Pack QR suitable for a variety of bikes.Whether you’re riding singletrack, mountain passes or gravel routes, with the waterproof Seat-Pack QR you are ready for every bike adventure. With the innovative and patented Seat-Lock attachment system and abrasion-resistant nylon fabric, the bag is super stable, quickly mounted and just as quickly removed without leaving any residue. And with the help of a special adapter of just 4.3 centimeter in width, this bag can even be used with a dropper post.The internal reinforcement and five compression straps ensure that the contents are packed tightly and securely. A valve with a handle strap helps to compress the pack volume, and the elastic cord on the outside allows for the attachment of additional gear. To prevent damage from tire contact, a protective plate is attached to the underside of the Seat-Pack QR, which also doubles as a fender.YOU CAN EASILY CHECK IF YOUR SADDLE IS COMPATIBLE:1. The saddle rails must have a bend of at least 34°.2. The seat post clamp must be at least 13 mm from the middle of the bend in the saddle rail. There must also be at least 13 mm from the middle of the bend to where the rail connects to the back of the saddle.3. The bottom edge of the saddle (at the side) must be at least 14 mm higher than the bottom edge of the saddle rail.THE FOLLOWING PRODUCTS ARE NOT SUITABLE:+ Saddles with carbon fiber rails, or carbon fiber seatposts+ Suspension seatposts+ Saddles with unusual saddle rails e.g. SQLab Active, Brooks B67+ Electronic dropper posts e.g. Rock Shox AXS or Magura Vyron
Built from a lightweight and strong UD carbon, this 400mm-long post comes compatible with Shimano Di2 battery integration making it the ideal companion for your super-swift shifting gearing setup. Equipped with an I-Bolt clamping system for a dependable and adjustable hold to your saddle, this Tharsis model works hard to keep you comfortably positioned for whatever the mountain has to throw at you.
Smoothing out the roughest of rides. Engineered with a super lightweight and robust carbon fibre layup incorporating Dyneema®, the world┬Æs strongest fiber™, to provide the perfect balance of stiffness and compliance. 20mm layback for even more ride-smoothing goodness Designed to match flawlessly with Di2 groupsets, including GRX Single-bolt fixation for stress-free instillation Weight from 190g Available in 27.2, 30.9 & 31.6mm
Zipp's Service Course SL seatpost is specifically tuned to be more shock absorbing than the comfort seatposts on the market, while still passing our strict internal MTB strength test. Updated distinctive Zipp cosmeticsUnidirectional carbon construction is tuned to give a smooth, compliant ride400mm length suitable for compact road and gravel framesSaddle clamp works with round and oval railsFlex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance, and if your saddle is out of position, you ll waste energy with every pedal stroke. The secure, two-bolt clamp makes for easy micro-adjustments of saddle position, and the head has been redesigned for maximum bolt head accessibility. The saddle clamp also works with regular round and oval carbon saddle rail types. If you want a lightweight, smooth riding carbon seatpost that will stand the test of time, the Zipp Service Course SL is a great choice!
Zipp's Service Course SL seatpost is specifically tuned to be more shock absorbing than the comfort seatposts on the market, while still passing our strict internal MTB strength test. Updated distinctive Zipp cosmeticsUnidirectional carbon construction is tuned to give a smooth, compliant ride400mm length suitable for compact road and gravel framesSaddle clamp works with round and oval railsFlex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance, and if your saddle is out of position, you ll waste energy with every pedal stroke. The secure, two-bolt clamp makes for easy micro-adjustments of saddle position, and the head has been redesigned for maximum bolt head accessibility. The saddle clamp also works with regular round and oval carbon saddle rail types. If you want a lightweight, smooth riding carbon seatpost that will stand the test of time, the Zipp Service Course SL is a great choice!
Zipp's Service Course SL seatpost is specifically tuned to be more shock absorbing than the comfort seatposts on the market, while still passing our strict internal MTB strength test. Updated distinctive Zipp cosmeticsUnidirectional carbon construction is tuned to give a smooth, compliant ride400mm length suitable for compact road and gravel framesSaddle clamp works with round and oval railsFlex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance, and if your saddle is out of position, you ll waste energy with every pedal stroke. The secure, two-bolt clamp makes for easy micro-adjustments of saddle position, and the head has been redesigned for maximum bolt head accessibility. The saddle clamp also works with regular round and oval carbon saddle rail types. If you want a lightweight, smooth riding carbon seatpost that will stand the test of time, the Zipp Service Course SL is a great choice!
Zipp's Service Course SL seatpost is specifically tuned to be more shock absorbing than the comfort seatposts on the market, while still passing our strict internal MTB strength test. Updated distinctive Zipp cosmeticsUnidirectional carbon construction is tuned to give a smooth, compliant ride400mm length suitable for compact road and gravel framesSaddle clamp works with round and oval railsFlex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance, and if your saddle is out of position, you ll waste energy with every pedal stroke. The secure, two-bolt clamp makes for easy micro-adjustments of saddle position, and the head has been redesigned for maximum bolt head accessibility. The saddle clamp also works with regular round and oval carbon saddle rail types. If you want a lightweight, smooth riding carbon seatpost that will stand the test of time, the Zipp Service Course SL is a great choice!
The carbon Service Course SL seatpost is specifically tuned to be more shock absorbing than the “comfort” seatposts on the market while still passing our strict internal MTB strength test. Flex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance and if your saddle is out of position you’ll waste energy with every pedal stroke. The secure two-bolt clamp makes for easy micro-adjustments of saddle position and the head has been redesigned for maximum bolt head accessibility. With 0mm and 20mm setback options it’s possible for nearly any rider to achieve the perfect fit and the clamp works with all saddle rail types. FEATURES Distinctive Zipp cosmetics Unidirectional Carbon fiber tuned for ride comfort Lightweight clamping system Lifetime warranty SPECIFICATIONS POST DIAMETER 25.4mm 27.2mm 31.6mm OFFSET/SETBACK 0mm 20mm POST LENGTH 400mm COLOR (SP) Matte with stealth decals MATERIAL (SP/ST) Unidirectional Carbon Unidirectional Carbon/AL-7075 head HARDWARE Steel CLAMP MATERIAL Al-7075
The carbon Service Course SL seatpost is specifically tuned to be more shock absorbing than the “comfort” seatposts on the market while still passing our strict internal MTB strength test. Flex engineered into the lightweight carbon tube keeps the rider comfortable over any terrain. Better fit means better performance and if your saddle is out of position you’ll waste energy with every pedal stroke. The secure two-bolt clamp makes for easy micro-adjustments of saddle position and the head has been redesigned for maximum bolt head accessibility. With 0mm and 20mm setback options it’s possible for nearly any rider to achieve the perfect fit and the clamp works with all saddle rail types. FEATURES Distinctive Zipp cosmetics Unidirectional Carbon fiber tuned for ride comfort Lightweight clamping system Lifetime warranty SPECIFICATIONS POST DIAMETER 25.4mm 27.2mm 31.6mm OFFSET/SETBACK 0mm 20mm POST LENGTH 400mm COLOR (SP) Matte with stealth decals MATERIAL (SP/ST) Unidirectional Carbon Unidirectional Carbon/AL-7075 head HARDWARE Steel CLAMP MATERIAL Al-7075
A wrap-around seat body creates a virtual cocoon of protection and features an updated 6-point harness system. An innovative suspension system cushions bumps and jolts and the integrated roll bar provides extra head protection and doubles as a carrying handle. Adjustable footrests and straps keep small feet away from spinning wheels. Child seat complies with stringent European, CPSIA and Proposition 65 safety standards.Exclusive spring suspension systemRoll bar handleRear reflector6061 T-6 Tubular aluminium racks including Quicktrack system - fully compatible with Topeak MTX & RX TrunkbagsQuick and very simple mount/dismount rack attachment - no tools requiredTakes kids up to 48.5lbs/22kgsMTX 2.0 edition
Building on the success of the Ascend 01, Brand- X now offer a longer travel option. The additional travel is ideal for long legged riders or for those who need more adjustment. The post carries over the reliability and core qualities of the Ascend 01. Infinitely smoove adjustment and incredible value for money makes the Ascend XL the trend setter amongst the dropper post market. The Ascend Seatpost is only compatible with bikes that can use an internally routed dropper. (Please note that it cannot be converted to external cable actuated.)The seatpost is cable actuated at the bottom of the post via a linkage mechanism which eliminates cable pull/movement, to ensure consistent performance time and time again. The ergonomic shifter style remote lever is designed to be run where your front shifter would normally sit. This means that the Ascend Dropper is ideally suited for those using a 1x chain ring set up; without a front derailleur. However, a paddle style shifter is available aftermarket for those who want to use the Ascend dropper post with a front derailleur and shifter. The Ascend Dropper seatpost sets new standards for reliability and performance at a fantastic price point. Minimum Insertion Length Information Size Minimum Insertion Length Minimum Insertion Length including the actuator (mm) 31.6mm x 499mm 170mm 120 154 30.9mm x 499mm 170mm 120 154 31.6mm x 559mm 200mm 150 184 30.9mm x 559mm 200mm 150 184 Service Guide Information Click here to view the Brand-X Internal Dropper Post 150, 170, 200 Service Guide. Installation Guide Information Click here to view the Brand-X Ascend Internal Route Post Installation Guide.
Brand-X Ascend XL Dropper Seatpost (170 & 200mm)Brand-X's Ascend Dropper Seatpost was so good they decided to super-size it: the Ascend XL Dropper Seatpost offers longer travel for the long-legged rider or for those who prefer a greater scope of adjustment. Operated easily via a paddle style remote, this aluminium dropper seatpost lets the rider customise their saddle height for the trail ahead. The Ascend Dropper Seatpost set the benchmark for reliability and performance at an excellent price point, a proud tradition that the Ascend XL Dropper Seatpost will carry on.Ergonomic Dropper SeatpostThis Brand-X Ascend Dropper Seatpost features an ergonomic remote lever that has been designed to run from where your front shifter normally sits. Ideally suited for those running a 1x chainring transmission without a front derailleur. However, a paddle style shifter is available aftermarket for those who want to use the Ascend XL Dropper Seatpost with a front derailleur and shifter.Consistent PerformanceThe seatpost is cable actuated at the bottom of the post via a linkage mechanism which eliminates cable pull/movement, to ensure consistent performance time and time again.Features: Material: T651-7075 Aluminium Finish: Sand Blasted and Hard Anodised Black Bar mounted paddle style remote lever and cable operated internal routing Linkage mechanism eliminates any outer cable pull Zero offset, one-piece head/upper shaft with micro adjust clamping mechanism Only compatible with internally routed bikes Diameter: 30.9mm or 31.6mm Travel: 170mm or 200mm Length: 170mm: 499mm; 200mm: 559mm Cable Length: 1.5m 2 Year Warranty Rider Weight: Min: 50-55kg; Max: 120kg Weight: 170mm: 638g; 200mm: 685gMinimum Insertion Length Information: Size Minimum Insertion Length Minimum Insertion Length including the actuator (mm) 31.6mm x 499mm 170mm 120 154 30.9mm x 499mm 170mm 120 154 31.6mm x 559mm 200mm 150 184 30.9mm x 559mm 200mm 150 184 Service Guide Information:Click here to view the Brand-X Internal Dropper Post 150, 170, 200 Service Guide.Installation Guide Information:Click here to view the Brand-X Ascend Internal Route Post Installation Guide.Buy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.