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Box Two Prime 9 Speed MTB Rear Derailleur - Black - X-Wide}, Black
  • £107.99

Box Two Prime 9 Speed MTB Rear DerailleurClassed as Box's most durable derailleur, this 9 speed rear mech offers super-smooth and consistent operation on your mountain bike. It is very similar to the Box One version however, to be more wallet-friendly, it offers a non-adjustable Tri-Pack Clutch, bushing pulleys, and some muted finishes. Box Two rear derailleurs are still optimised for 11-50T cassettes and offer durability and performance for the most demanding terrain, just at a lower price.FAQAre Box Prime 9 derailleurs compatible with Shimano "direct mount" hangers? No, Shimano direct mount hangers are proprietary and are not compatible with Box derailleurs.Is the Box Two Prime 9 Derailleur compatible with other 9 speed components? No, traditional 9 speed systems use a Cable Pull that is not compatible with Prime 9.Are Box Prime 9 derailleurs compatible with drop bar (road) shifters? No, Box Prime 9 derailleurs are not currently compatible with drop bar shifters, but we do offer a clamp for our shifters to mount on some 31.8mm drop handle bars.How should I clean my Box Two Prime 9 derailleur? We suggest removing the derailleur from the bike and using a soft bristle brush or rag with soapy water or a mild de-greaser. We do not recommend pressure washing, strong solvents or de-greasers as they could degrade the surface coating.Features: Material: Stainless Steel, Hardened Alloy Steel with Matte Onyx finish Tri-Pack Limited Slip Clutch Sealed Bushings Pulleys Nylon Composite Knuckle Pivot-Tech Cable Stay Durable 3D Forged Linkages Forged Inner and Outer CagePrime 9 TechnologyCompatible with Standard Derailleur Hangers (Non Direct-Mount) Compatibility: Box One Prime 9 11-50T Cassette Black Box Two Prime 9 11-50T Cassette Black Box Three Prime 9 11-50T Cassette Black Box One Prime 9 Chain 126L DLC Black Box Two Prime 9 126 Link Chain Nickel Box Three Prime 9 126 Link Chain Polished Box One Prime 9 Shifter Black Box Two Prime 9 Shifter Black Box Three Prime 9 Shifter Black Weight: 290gBuy Box Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Box Components Two Short Cage Rear Derailleur
  • £95.00

Tri-pack™ ClutchFine tune input at the shifter and set chain tension accordingly with Tri-Pack™ Clutch technology. This advanced chain retention system provides instant engagement and long-lasting chain dampening throughthe use of a one-way roller bearing and composite friction plates. Housed in the lower knuckle, TriPack™ is both user-friendly and easy to maintain, allowing riders to adjust clutch force* with a simpleTorx® -equipped multi-tool.Forged ConstructionImpact resistance is greatly improved by way of forging — a key manufacturing process that strengthens critical components. Tested at the premier freeride event of the season -- Red Bull® Rampage-- this new construction has proven itself capable of performing at the highest levels and comes standard on all second-generation Box derailleurs.Pivot-tech™Impact resistant, spring-loaded cable stay keeps cable, housing & you out of harm’s way.

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Brand-X HT-01 Derailleur Hanger
  • £9.99

Brand-X HT-01 Derailleur HangerReplacement alloy gear hanger for the Brand-X HT-01 frame.Features: 1x Replacement Alloy Gear hanger Includes 2 x replacement boltsBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X RD-01 Derailleur Hanger
  • £9.99

Brand-X RD-01 Derailleur HangerReplacement alloy gear hanger for the Brand-X RD-01 frame.Features: 1x Replacement Alloy Gear hanger Buy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Campagnolo Super Record 12 Speed Rear Derailleur
  • £309.99
  • RRP £400.99
  • Saving you £23

Inheriting many of the much-loved features of its 11-speed predecessor, the Campagnolo Super Record 12-speed rear derailleur offers the ultimate shifting experience. Constructed from a combination of carbon fibre, titanium, and technopolymer plastics, this updated Super Record derailleur weighs in at an impressive 181-grams. Equipped with a 12-speed design and 3D embrace technology, this rear derailleur provides a smooth, crisp shift every time and is even compatible with cassettes up to 32-teeth, making it perfect for a variety of gear ratios. Upper body made from a carbon-fiber-reinforced ultra-light technopolymer 3D-Embrace technology allows the derailleur to engage more teeth per sprocket Upper body return spring, Absorbs road vibration and protects the integrity of derailleur Compatibility with any frame: disc or rim, direct mount or classic hanger Optimized for 11-29 and 11-32 cassettes 12-speed Weighs 181 grams

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Campagnolo Centaur 11 Speed Rear Derailleur - Medium Cage - Black
  • £54.99
  • RRP £69.99
  • Saving you £21

The rear derailleur is the defining component of the Centaur groupset. Inheriting many of the technologies used by Campagnolo’s top-of-the-range rear derailleurs, the Centaur offers shifting performance to meet all requirements – even professionals’. The new Campagnolo Centaur rear derailleur has been designed to be compatible with cassettes with up to 32 teeth. With the upper jockey wheel’s longer teeth, the lower wheel’s smoothed teeth, and a long list of performance-oriented technology, the Centaur rear derailleur is the top component in its class – and all at 15 grams lighter than its competitors. Features: Redesigned Rear Derailleur Trajectory Angle (45°) One Rear Derailleur Available For Every Setup Combination Pulley Wheels With Bushings Upper Pulley Wheel With Longer Teeth Lower Pulley Wheel With Rounded Teeth Upper And Lower Body In Ultra-Light Technopolymer Reinforced With Glass Fibre Limit Screws Positioned On The Back Of The Upper Body Specifications: Weight: 230g

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Campagnolo Super Record 12-speed Rear Derailleur
  • £359.00
  • RRP £400.00
  • Saving you £10

Campagnolo's Super Record 12 Speed rear derailleur offers precision, lightness and versatility for use with the disc or rim brake groupsets.Lightweight technopolymer reinforced with UD Carbon Fibre constructionOptimised trajectory means that the upper pulley wheel is at constant distance to the sprocket in use12-tooth pulley wheels are perfect for cassettes that have a wide range of teethOptimised return spring guarantees constant chain tension regardless of road vibrationDesigned to improve performance and function in every aspect, the new Super Record 12 Speed mechanical rear derailleur has an innovative shape that envelopes the sprockets better thanks to 3D Embrace technology, creating a double effect: allowing the chain to maintain optimum traction at all times, thus increasing the speed, power and precision of shifting; and ensuring that the derailleur is always kept an optimal distance away from the sprockets.The new cage has also been optimised to work with sprockets from 11 to 34 teeth, allowing a single version to be maintained for all available sprocket sets. The upper part of the new Super Record 12 Speed mechanical rear derailleur gearbox is made of carbon fibre-reinforced techno-polymer, contributing to its robustness and lightness, while the stop adjustment screws at the back of the rear derailleur make adjustments very simple.

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Campagnolo Ekar 13-speed Rear Derailleur
  • £224.00
  • RRP £250.00
  • Saving you £10

Campagnolo's all-new Ekar rear derailleur s 1x13 speed specific design has been created especially for gravel and all-road use to create the ultimate groupset for gravel & adventure riding.Only for use with Ekar 1x13 speed groupsetsSuitable for Gravel and All-Road ridingRevolutionary Clutch Lock design for swift and easy wheel removal2D parallelogram trajectory: for precise shifting12T upper and 14T lower jockey wheels for smooth chain running and secure retentionThe combination of more than 70 moving parts are lovingly crafted in carbon fibre, techno polymers and anodized alloys, with stainless steel bolts to meet the demands of gravel and all-road riding. This unique combination of materials creates a derailleur which is lightweight, strong and durable for the rigours of this category of riding. It is able to combine quick, precise and reliable shifting with high chain security and toughness. The Ekar groupset has been designed for short evenly spaced shifts between gears and the 2D parallelogram trajectory of the derailleur allows for precise mechanical movement between the 13 sprockets. You can maintain your cadence, whatever terrain you are riding.

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Campagnolo Front Derailleur Clamp - 35mm
  • £21.59
  • RRP £23.99
  • Saving you £10

The Campagnolo derailleur clip clamp has been designed to turn a braze-on mech into a clip on. The clamp is compatible with EPS and mechanical groupsets and is guaranteed maximum possible stiffness on frames that require a band on front mech system.

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Campagnolo Super Record EPS 12 Speed Front Derailleur
  • £526.00
  • RRP £584.99
  • Saving you £10

The Campagnolo Super Record EPS 12-Speed Front Derailleur is an integral part of the new group, providing slick, electronic shifting and smoother performance at a race-ready weight.Ultra-lightweight technopolymer body is reinforced with UD carbon fibre to provide a light, stiff constructionMagnetic Sensor ensures the chain is always in optimum position for the selected gearHigh torque motors for incredible shifting, even under the highest of loadsThe Super Record EPS 12-Speed Rear Derailleur has an innovative shape that envelopes the sprockets better thanks to a Magnetic Sensor. This allows the chain to maintain optimum chain line at all times, thus increasing the speed, power and precision of shifting while ensuring that the derailleur is always kept an optimal distance away from the chainrings.The cage has also been optimised to work smoothly even when cross-chained, while the derailleur is made of carbon fibre-reinforced techno-polymer, contributing to its robustness and lightness. The design is also compatible with both disc brakes and rim brakes, unlike previous Campagnolo groupsets. Lightweight, versatile and simply a joy to behold, the Campagnolo Super Record EPS 12-Speed Front Derailleur offers impeccable performance.

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Campagnolo Chorus HO 11 Speed Rear Derailleur Rear Derailleurs
  • £189.99
  • RRP £215.99
  • Saving you £12

One of the stand-out features is the “Embrace” technology, which ensures an ultra-efficient chain and cassette interface, secure chain grip, increased durability, and excellent power transfer. Disc Brake Frame Specific This HO (hydraulically optimised) version is specifically designed for use on disc brake frames that feature the wider 12x142mm rear dropout spacing. It features an adapted mounting link for easier thru axle removal and larger teeth on the upper pulley for precise shifting at more extreme chainlines. Technologies: Ultra-Shift™: This control system by Campagnolo is regarded by everyone as the fastest and most precise out there. With this system, you can move the chain simultaneously up 3 sprockets and then 5 down. Furthermore, the lever design allows for an ever lighter shifting, whilst maintaining the "click" sound featured on all Campagnolo® controls. Embrace Technology: This technology increases the number of sprocket teeth wrapped by the chain, allowing smooth, fast, and prompt shifting. Proven to optimise the functionality of the rear derailleur even when using extreme cassettes such as 11-32T.

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Campagnolo Potenza HO 11 Speed Rear Mech Rear Derailleurs
  • £119.67
  • RRP £134.99
  • Saving you £11

One of the stand-out features is the “Embrace” technology, which ensures an ultra-efficient chain and cassette interface, secure chain grip, increased durability, and excellent power transfer. Disc Brake Frame Specific This HO (hydraulically optimised) version is specifically designed for use on disc brake frames that feature the wider 12x142mm rear dropout spacing. It features an adapted mounting link for easier thru axle removal and larger teeth on the upper pulley for precise shifting at more extreme chainlines. Technologies: Ultra-Shift™: This control system by Campagnolo is regarded by everyone as the fastest and most precise out there. With this system, you can move the chain simultaneously up 3 sprockets and then 5 down. Furthermore, the lever design allows for an ever lighter shifting, whilst maintaining the "click" sound featured on all Campagnolo® controls. Embrace Technology: This technology increases the number of sprocket teeth wrapped by the chain, allowing smooth, fast, and prompt shifting. Proven to optimise the functionality of the rear derailleur even when using extreme cassettes such as 11-32T.

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