Selle Italia Most Panther FP Monolink SaddleSpecifically developed for the demands of road cycling, this versatile saddle measures 130x280mm and is suitable for both male and female riders. It features Selle Italia's Monolink system, which uses a single carbon rail to deliver greater front to rear saddle adjustment, so you can benefit from increased performance on your road bike. Its single rail design also provides additional torsional strength, making it more than capable of handling the pressure from long days on the road. Weighing in at only 175g, this is a lightweight upgrade for comfort and support as you clock up the miles.Features: Rail Material: Carbon Rail Type: Monolink system Use: Road Size: 130x280mm Gender: Unisex Seat Post Compatibility: Monolink compatible seatpost required (available separately) Monolink system offers greater front to rear saddle adjustment Torsional strength is increased due to the single rail Weight: 175gBuy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia Most Panther FP Monolink Ladies SaddleDeveloped specifically for female road cyclists, this high-quality ladies saddle measures 160x280mm and features a comfortable shape that's perfect for long days on the road. Selle Italia has also equipped this model with a Monolink rail system, which uses a single rail to deliver greater front to rear saddle adjustment, so you can benefit from increased performance on your road bike. Its single rail design also provides additional torsional strength, making it more than capable of handling the pressure from day-long journeys. Thanks to its carbon rail construction, it also keeps this saddle's overall weight reduced to only 176g, making it a lightweight choice of upgrade. Handmade in Italy.Features: Rail Type: Monolink system Rail Material: Carbon Use: Road Size: 160x280mm Gender: Women's Seat Post Compatibility: Monolink compatible seatpost required (available separately) Monolink system offers greater front to rear saddle adjustment Torsional strength is increased due to the single rail Handmade in Italy Weight: 176gBuy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia Most XLR XP Vanox SaddleThis high-quality road bike saddle comes kitted out with a carbon fibre shell, which offers an excellent balance of stiffness, flexibility and lightweight performance. Engineered for wherever your next road adventure leads you, its rounded profile and flexibility enable you to transfer all of your leg power to your pedals. Selle Italia has also equipped this model with Vanox (Vanadium-Steel Alloy) rails for a strong and secure hold to your seatpost as you conquer every mile of road. Weighing in at only 184g, it provides reliable support while keeping weight to a minimum.Features: Shell Material: Carbon Fibre Rails Material: Vanox (Vanadium-Steel Alloy) Use: Road Size: 160x280mm Weight: 184gBuy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia X-Bow Superflow TI 316 SaddleFeaturing a high-quality Soft-Tek cover, this saddle uses its special polyurethane (PU) material to deliver high levels of comfort for mountain bike (MTB), electric mountain bike (E-MTB) or gravel bike riding. Selle Italia has also equipped this model with TI316 rails, which offer a 25% increase in resistance and durability as well as a 15% reduction in weight in comparison to traditional saddle rails. This allows you to benefit from its exceptional strength and reliability on the most demanding of terrain conditions, without any unnecessary weight holding you back. MTB Saddle with Superflow TechnologyWhether you're shredding your favourite trails with your riding buddies or planning your next gravel adventure along countryside back roads, this saddle is engineered for performance. Coming kitted out with Superflow technology, it uses its special central relief channel that runs down its middle section to relieve any pressure or fatigue from around your sit bones. This makes it perfect for all-day epics on your mountain bike or for going the extra distance on your gravel bike. Another highlight is this model's neutral shape that's ideal for riders with dynamic riding positions and those who like a more upright riding experience. Trail-Ready with Shock Absorption SystemDeveloped for the demands of today's riders, this trail-ready saddle comes complete with a shock absorption system between its shell and its rails. Thanks to this system, it highly reduces shocks and vibrations wherever your next adventure takes you. Features: Cover Material: Soft-Tek Rails Material: TI316 (Steel) Use: Mountain Bike (MTB), Electric Mountain Bike (E-MTB) and Gravel Dimensions: S3 Option: 145x255mm; L3 Option: 155x255mm Rails Size: 7mm Central Cut Out: Superflow channel Vibration Damping: Shock Absorber Shape: Neutral idmatch: S3 and L3 options available to select Weight: S3 Option: 250g; L3 Option: 260gTechnologies: Superflow Technology: The SuperFlow technology drastically reduces all physical limitations caused by prolonged pressure in the perineal area. Soft-Tek Cover: Special polyurethane cover guarantees high levels of comfort. Neutral Shape: Neutral shape is recommended for individuals with both Anterior (Dynamic Rider) and Posterior (Static Rider) Pelvic Tilt. TI316 Rails: Rails increased by up to 25% resistance and durability and reduced by 15% weight compared with traditional rails, ø7mm. Shock Absorber: Absorption system between the shell and the rails that highly reduces road shocks and vibrations. S3 idmatch Option: "Narrow" intertrochanteric distance and high pelvic rotation. (SuperFlow saddles). L3 idmatch Option: "Wide" intertrochanteric distance and high pelvic rotation. (SuperFlow saddles). Neutral shape with rear upsweep. Superflow shell with filled and cutout padding. Short saddle. +1cm extra rail regulation. Dynamic rail shock absorption. Controlled flexibility of the shell.Manufacturer's Part Numbers: 036A922MKC001 Black/Grey L3 036A622MKC001 Black/Grey S3Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia X-Bow Superflow TI 316 SaddleFeaturing a high-quality Soft-Tek cover, this saddle uses its special polyurethane (PU) material to deliver high levels of comfort for mountain bike (MTB), electric mountain bike (E-MTB) or gravel bike riding. Selle Italia has also equipped this model with TI316 rails, which offer a 25% increase in resistance and durability as well as a 15% reduction in weight in comparison to traditional saddle rails. This allows you to benefit from its exceptional strength and reliability on the most demanding of terrain conditions, without any unnecessary weight holding you back. MTB Saddle with Superflow TechnologyWhether you're shredding your favourite trails with your riding buddies or planning your next gravel adventure along countryside back roads, this saddle is engineered for performance. Coming kitted out with Superflow technology, it uses its special central relief channel that runs down its middle section to relieve any pressure or fatigue from around your sit bones. This makes it perfect for all-day epics on your mountain bike or for going the extra distance on your gravel bike. Another highlight is this model's neutral shape that's ideal for riders with dynamic riding positions and those who like a more upright riding experience. Trail-Ready with Shock Absorption SystemDeveloped for the demands of today's riders, this trail-ready saddle comes complete with a shock absorption system between its shell and its rails. Thanks to this system, it highly reduces shocks and vibrations wherever your next adventure takes you. Features: Cover Material: Soft-Tek Rails Material: TI316 (Steel) Use: Mountain Bike (MTB), Electric Mountain Bike (E-MTB) and Gravel Dimensions: S3 Option: 145x255mm; L3 Option: 155x255mm Rails Size: 7mm Central Cut Out: Superflow channel Vibration Damping: Shock Absorber Shape: Neutral idmatch: S3 and L3 options available to select Weight: S3 Option: 250g; L3 Option: 260gTechnologies: Superflow Technology: The SuperFlow technology drastically reduces all physical limitations caused by prolonged pressure in the perineal area. Soft-Tek Cover: Special polyurethane cover guarantees high levels of comfort. Neutral Shape: Neutral shape is recommended for individuals with both Anterior (Dynamic Rider) and Posterior (Static Rider) Pelvic Tilt. TI316 Rails: Rails increased by up to 25% resistance and durability and reduced by 15% weight compared with traditional rails, ø7mm. Shock Absorber: Absorption system between the shell and the rails that highly reduces road shocks and vibrations. S3 idmatch Option: "Narrow" intertrochanteric distance and high pelvic rotation. (SuperFlow saddles). L3 idmatch Option: "Wide" intertrochanteric distance and high pelvic rotation. (SuperFlow saddles). Neutral shape with rear upsweep. Superflow shell with filled and cutout padding. Short saddle. +1cm extra rail regulation. Dynamic rail shock absorption. Controlled flexibility of the shell.Manufacturer's Part Numbers: 036A922MKC001 Black/Grey L3 036A622MKC001 Black/Grey S3Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia SLR Boost Tekno Superflow SaddleEngineered for the best balance of lightness, comfort and performance, this versatile saddle well-equipped for road, gravel and endurance cycling. Designed in collaboration with Dallara, it features a high-quality carbon design that includes a full carbon cover construction as well as hi-tech carbon rails. This combination ensures maximum stiffness and strength while also keeping its overall weight impressively low with the S3 option weighing only 90g and the L3 option weighing 100g. Multi-Discipline Saddle with Superflow TechnologyWhether you're clocking up the miles on an endurance ride, competing in a road racing event or exploring countryside back roads on your gravel bike, this saddle is developed for performance. Coming kitted out with Superflow technology, it uses its special central relief channel that runs down its middle section to relieve any pressure or fatigue from around your sit bones. As a result, you'll benefit from increased comfort and support, making it perfect for going the extra distance. Another highlight is this model's neutral shape that's ideal for riders with dynamic riding positions and those who like a more upright riding experience. Coming complete with a sleek, eye-catching finish, this is a great choice of upgrade for riding with speed, comfort and style.Features: Cover Material: Full Carbon Rails Material: Hi-Tech Carbon rail Use: Road, Gravel and Endurance Dimensions: S3 Option: 130x248mm; L3 Option: 145x248mm Central Cut Out: Superflow channel Shape: Neutral shape idmatch: S3 and L3 options available to select Weight: S3 Option: 90g; L3 Option: 100gTechnologies: Hi-Tech Carbon Rails: High modules carbon fibre weave, ø7x9mm. Superflow Channel: The SuperFlow technology drastically reduces all physical limitations caused by prolonged pressure in the perineal area. Neutral Shape: Neutral shape is recommended for individuals with both Anterior (Dynamic Rider) and Posterior (Static Rider) Pelvic Tilt.Manufacturer's Part Numbers: 041A922WCA001 Black L3 041A522WCA001 Black S3Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia SLR Boost Tekno Superflow SaddleEngineered for the best balance of lightness, comfort and performance, this versatile saddle well-equipped for road, gravel and endurance cycling. Designed in collaboration with Dallara, it features a high-quality carbon design that includes a full carbon cover construction as well as hi-tech carbon rails. This combination ensures maximum stiffness and strength while also keeping its overall weight impressively low with the S3 option weighing only 90g and the L3 option weighing 100g. Multi-Discipline Saddle with Superflow TechnologyWhether you're clocking up the miles on an endurance ride, competing in a road racing event or exploring countryside back roads on your gravel bike, this saddle is developed for performance. Coming kitted out with Superflow technology, it uses its special central relief channel that runs down its middle section to relieve any pressure or fatigue from around your sit bones. As a result, you'll benefit from increased comfort and support, making it perfect for going the extra distance. Another highlight is this model's neutral shape that's ideal for riders with dynamic riding positions and those who like a more upright riding experience. Coming complete with a sleek, eye-catching finish, this is a great choice of upgrade for riding with speed, comfort and style.Features: Cover Material: Full Carbon Rails Material: Hi-Tech Carbon rail Use: Road, Gravel and Endurance Dimensions: S3 Option: 130x248mm; L3 Option: 145x248mm Central Cut Out: Superflow channel Shape: Neutral shape idmatch: S3 and L3 options available to select Weight: S3 Option: 90g; L3 Option: 100gTechnologies: Hi-Tech Carbon Rails: High modules carbon fibre weave, ø7x9mm. Superflow Channel: The SuperFlow technology drastically reduces all physical limitations caused by prolonged pressure in the perineal area. Neutral Shape: Neutral shape is recommended for individuals with both Anterior (Dynamic Rider) and Posterior (Static Rider) Pelvic Tilt.Manufacturer's Part Numbers: 041A922WCA001 Black L3 041A522WCA001 Black S3Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia Model X Comfort Plus Superflow SaddleFeaturing a cover that uses Selle Italia's special protection technology called Green-Tech, this saddle is specifically developed for the demands of road cycling. Green-Tech is 100% sustainable and assembled without the use of glue materials. It is also an entirely made in Italy process, which makes it able to minimise CO2 emissions. Another highlight is this model's high strength and flexible FEC alloy rails, which deliver a secure hold to your seatpost as you clock up the miles. Benefitting from a waved/curved shape, this version is recommended for static cyclists or riders with a posterior pelvic tilt.Total Gel Padding and Superflow ChannelEngineered for maximum comfort on your road bike, this saddle comes kitted out with Total Gel padding, which covers the entire surface of the shell, and the waved form, making this saddle perfect for cyclists who love to maintain a more stable position, even during long rides. Selle Italia has also equipped it with a Superflow channel that runs down its middle section to reduce numbness and fatigue. As a result, it provides excellent comfort and reliability, wherever your next ride takes you.Eco-Friendly Road Saddle with Green-TechEver since its founding, Selle Italia has always invested in research and development, believing that growth can only be achieved through innovation. The brand introduced Green-Tech: a production process for products with a low environmental impact, which are eco-sustainable. An automated system developed entirely in Italy and one of a kind throughout the world, which allows top-of-the-range saddles without the use of glues and polyurethanes, notorious for their strong environmental impact.Taking a stand on the issue of sustainability, the Model X Comfort Plus Superflow Saddle is a product representative of absolute innovation due to the mechanical assembly of three components without the use of polluting adhesive substances. The saddle was in fact produced using Flex Control technology, that is, a special body composed of two elements with differing flexibility, able to ensure greater comfort and superior resistance with respect to other similarly priced products. The third component is the rail in Fec Alloy, a highly resistant and flexible iron-carbon steel alloy.Features: Cover Material: Green-Tech Rails Material: FEC Alloy (Carbon-Iron Steel Alloy) Padding Material: Gel Use: Road, Electric Bike (E-Bike) Dimensions: 145x245mm Rails Size: 7mm idmatch: L3 Shape: Waved Cut Out: Superflow channel Weight: 415gTechnologies: Green-Tech: A special production technology that allows to create a 100% sustainable product, assembled without the use of glue materials. An entirely Made in Italy process, able to minimise CO2 emissions. FEC Alloy Rails: High strength and flexible carbon-iron steel alloy, ø7 mm. Waved Shape: “Waved” saddles (curved) are recommended for static cyclists or subjects with a posterior pelvic tilt. Total Gel: Special Gel padding that covers the whole saddle and ensures a better shock-absorbing function in every condition. Flex Control: Special shell made by two components with different flexibility that ensure maximum comfort and a greater resistance of the saddle.Manufacturer's Part Number: 064A522REC003 Grey L3Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia X-Bow TI 316 SaddlePerfect for mountain bike (MTB), electric mountain bike (E-MTB) and gravel riding, this saddle features a durable Soft-Tek cover that uses its special polyurethane (PU) material to deliver high levels of comfort. Benefitting from TI316 rails, this model also offers a 25% increase in resistance and durability as well as a 15% reduction in weight in comparison to traditional saddle rails. As a result, you'll notice its fantastic strength and reliability as you weave from trail to trail, without adding any unnecessary excess grams to your ride. Another highlight is this model's neutral shape that's ideal for riders with dynamic riding positions and those who like a more upright riding experience. Trail-Ready Saddle with Shock Absorption SystemDeveloped for the demands of today's riders, this trail-ready saddle comes complete with a shock absorption system between its shell and its rails. Thanks to this system, it highly reduces shocks and vibrations as you pedal across unpredictable and demanding terrain conditions. Features: Cover Material: Soft-Tek Rails Material: TI316 (Steel) Use: Mountain Bike (MTB), Electric Mountain Bike (E-MTB) and Gravel Dimensions: S1 Option: 145x255mm; L1 Option: 155x255mm Rails Size: 7mm Central Cut Out: No Vibration Damping: Shock Absorber Shape: Neutral idmatch: S1 and L1 options available to select Weight: S1 Option: 250g; L1 Option: 260gTechnologies: Soft-Tek Cover: Special polyurethane cover guarantees high levels of comfort. Neutral Shape: Neutral shape is recommended for individuals with both Anterior (Dynamic Rider) and Posterior (Static Rider) Pelvic Tilt. TI316 Rails: Rails increased by up to 25% resistance and durability and reduced by 15% weight compared with traditional rails, ø7mm. Shock Absorber: Absorption system between the shell and the rails that highly reduces road shocks and vibrations. S1 idmatch Option: "Narrow" intertrochanteric distance and low pelvic rotation. L1 idmatch Option: "Wide" intertrochanteric distance and low pelvic rotation. Neutral shape with rear upsweep. Short saddle. +1cm extra rail regulation. Dynamic rail shock absorption. Controlled flexibility of the shell.Manufacturer's Part Numbers: 036A322MEC002 Black & Grey L1 036A122MEC002 Black & Grey S1Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia X-Bow TI 316 SaddlePerfect for mountain bike (MTB), electric mountain bike (E-MTB) and gravel riding, this saddle features a durable Soft-Tek cover that uses its special polyurethane (PU) material to deliver high levels of comfort. Benefitting from TI316 rails, this model also offers a 25% increase in resistance and durability as well as a 15% reduction in weight in comparison to traditional saddle rails. As a result, you'll notice its fantastic strength and reliability as you weave from trail to trail, without adding any unnecessary excess grams to your ride. Another highlight is this model's neutral shape that's ideal for riders with dynamic riding positions and those who like a more upright riding experience. Trail-Ready Saddle with Shock Absorption SystemDeveloped for the demands of today's riders, this trail-ready saddle comes complete with a shock absorption system between its shell and its rails. Thanks to this system, it highly reduces shocks and vibrations as you pedal across unpredictable and demanding terrain conditions. Features: Cover Material: Soft-Tek Rails Material: TI316 (Steel) Use: Mountain Bike (MTB), Electric Mountain Bike (E-MTB) and Gravel Dimensions: S1 Option: 145x255mm; L1 Option: 155x255mm Rails Size: 7mm Central Cut Out: No Vibration Damping: Shock Absorber Shape: Neutral idmatch: S1 and L1 options available to select Weight: S1 Option: 250g; L1 Option: 260gTechnologies: Soft-Tek Cover: Special polyurethane cover guarantees high levels of comfort. Neutral Shape: Neutral shape is recommended for individuals with both Anterior (Dynamic Rider) and Posterior (Static Rider) Pelvic Tilt. TI316 Rails: Rails increased by up to 25% resistance and durability and reduced by 15% weight compared with traditional rails, ø7mm. Shock Absorber: Absorption system between the shell and the rails that highly reduces road shocks and vibrations. S1 idmatch Option: "Narrow" intertrochanteric distance and low pelvic rotation. L1 idmatch Option: "Wide" intertrochanteric distance and low pelvic rotation. Neutral shape with rear upsweep. Short saddle. +1cm extra rail regulation. Dynamic rail shock absorption. Controlled flexibility of the shell.Manufacturer's Part Numbers: 036A322MEC002 Black & Grey L1 036A122MEC002 Black & Grey S1Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia X-Bow Superflow SaddleIdeal for mountain bike (MTB), electric mountain bike (E-MTB) and gravel riding disciplines, this saddle features a dependable Soft-Tek cover that uses its special polyurethane construction to ensure high levels of comfort. Selle Italia has also kitted out this version with FEC alloy rails for the best balance of strength and flexibility, which makes it ready for everything from fast-paced trail riding to day-long gravel adventures. Benefitting from a neutral shape with rear upsweep, it's recommended for riders with dynamic riding positions as well as those who like a more upright riding experience. MTB Saddle with Superflow TechnologyComing equipped with Superflow technology, it uses its special central relief channel that runs down its middle section to relieve any pressure or fatigue from around your sit bones. This makes it perfect for all-day epics on your mountain bike or for going the extra distance on your gravel bike. Another highlight is this model's shock absorption system between its shell and its rail. Thanks to this system, it highly reduces shocks and vibrations wherever your next adventure takes you. Whether you're shredding your favourite trails with your riding buddies or planning your next gravel adventure along countryside back roads, the Selle Italia X-Bow Superflow Saddle is engineered for performance.Features: Cover Material: Soft-Tek Shell Material: Polypropylene Rails Material: FEC Alloy (Carbon-Iron Steel Alloy) Use: Mountain Bike (MTB), Electric Mountain Bike (E-MTB) and Gravel Dimensions: S3 Option: 145x255mm; L3 Option: 155x255mm Rails Size: 7mm Central Cut Out: Superflow channel Shape: Neutral Vibration Damping: Shock absorber idmatch: S3 and L3 options available to select Weight: S3 Option: 310g; L3 Option: 320gTechnologies: Soft-Tek Cover: Special polyurethane cover guarantees high levels of comfort. FEC Alloy Rails: High strength and flexible carbon-iron steel alloy, ø 7mm. Neutral Shape: Neutral shape is recommended for individuals with both Anterior (Dynamic Rider) and Posterior (Static Rider) Pelvic Tilt. Shock Absorber: Absorption system between the shell and the rail that highly reduces road shocks and vibrations. Superflow Channel: The SuperFlow technology drastically reduces all physical limitations caused by prolonged pressure in the perineal area. S3 idmatch Option: "Narrow" intertrochanteric distance and high pelvic rotation. (SuperFlow saddles). L3 idmatch Option: "Wide" intertrochanteric distance and high pelvic rotation. (SuperFlow saddles). Neutral shape with rear upsweep. Superflow shell with filled and cutout padding. Short saddle. +1cm extra rail regulation. Dynamic rail shock absorption. Controlled flexibility of the shell.Manufacturer's Part Numbers: 036A922MEC002 Black L3 036A622MEC002 Black S3Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Selle Italia X-Bow Superflow SaddleIdeal for mountain bike (MTB), electric mountain bike (E-MTB) and gravel riding disciplines, this saddle features a dependable Soft-Tek cover that uses its special polyurethane construction to ensure high levels of comfort. Selle Italia has also kitted out this version with FEC alloy rails for the best balance of strength and flexibility, which makes it ready for everything from fast-paced trail riding to day-long gravel adventures. Benefitting from a neutral shape with rear upsweep, it's recommended for riders with dynamic riding positions as well as those who like a more upright riding experience. MTB Saddle with Superflow TechnologyComing equipped with Superflow technology, it uses its special central relief channel that runs down its middle section to relieve any pressure or fatigue from around your sit bones. This makes it perfect for all-day epics on your mountain bike or for going the extra distance on your gravel bike. Another highlight is this model's shock absorption system between its shell and its rail. Thanks to this system, it highly reduces shocks and vibrations wherever your next adventure takes you. Whether you're shredding your favourite trails with your riding buddies or planning your next gravel adventure along countryside back roads, the Selle Italia X-Bow Superflow Saddle is engineered for performance.Features: Cover Material: Soft-Tek Shell Material: Polypropylene Rails Material: FEC Alloy (Carbon-Iron Steel Alloy) Use: Mountain Bike (MTB), Electric Mountain Bike (E-MTB) and Gravel Dimensions: S3 Option: 145x255mm; L3 Option: 155x255mm Rails Size: 7mm Central Cut Out: Superflow channel Shape: Neutral Vibration Damping: Shock absorber idmatch: S3 and L3 options available to select Weight: S3 Option: 310g; L3 Option: 320gTechnologies: Soft-Tek Cover: Special polyurethane cover guarantees high levels of comfort. FEC Alloy Rails: High strength and flexible carbon-iron steel alloy, ø 7mm. Neutral Shape: Neutral shape is recommended for individuals with both Anterior (Dynamic Rider) and Posterior (Static Rider) Pelvic Tilt. Shock Absorber: Absorption system between the shell and the rail that highly reduces road shocks and vibrations. Superflow Channel: The SuperFlow technology drastically reduces all physical limitations caused by prolonged pressure in the perineal area. S3 idmatch Option: "Narrow" intertrochanteric distance and high pelvic rotation. (SuperFlow saddles). L3 idmatch Option: "Wide" intertrochanteric distance and high pelvic rotation. (SuperFlow saddles). Neutral shape with rear upsweep. Superflow shell with filled and cutout padding. Short saddle. +1cm extra rail regulation. Dynamic rail shock absorption. Controlled flexibility of the shell.Manufacturer's Part Numbers: 036A922MEC002 Black L3 036A622MEC002 Black S3Buy Selle Italia Components from Chain Reaction Cycles, the World's Largest Online Bike Store.