The 24" Alpha Four features a new 9-speed Microshift drive train. The 11-36T wide range gearing is the real deal and gives growing riders truly usable gear range.Prevelo confidence inspiring low and narrow geometry. Prevelo geometry keeps the rider low, balanced and in controlLightweight 6061 aluminium frame with custom formed tubingLightweight aluminium alloy fork with chromoly steererTektro front and rear v-brakesLightweight Allen head front and rear wheel skewers for secure wheel installationThree piece crank with squared taper bottom cartridge bearing bottom bracket and ultra narrow Q factorCustom made cranks. All Prevelo cranks are sized specifically for each model bike, down to the millimetreNEW Microshift 9-speed drivetrain. Uses a shorter pulley cage without comprising gear ratio width. Because kids bikes have small wheel diameters, rear derailleurs on kids bikes hang low and close to the ground. The Prevelo Alpha bikes use smaller cage derailleurs to keep things high and away from the groundMicroshift Trigger Shifters. Small hands have a hard time using twist shifters. We use reliable silky smooth thumb shifters. They are easy for small hands to operate and operate just like shifters on high performance bikesReplaceable derailleur hanger. If the derailleur takes a hard hit, the hanger can be replaced without repair to the frame11-36T wide span gearing gives riders plenty of range to spin up tough hills95% assembled. Just install the handlebar, seatpost, front wheel and pedalsPLEASE NOTE: The specification of the bike may be subject to change at any time and may differ from the images or specification of the bike shown here. If you would like to know any specific details please contact our sales team at Tweeks Cycles.Kids Optimised Crank - Prevelo crank lengths are custom sized for each size bike to make sure little riders have optimum pedal ergonomics. And they have ultra-narrow Q-factors to match the narrow hips of young cyclists. If that sounds like technical mumbo jumbo, here's the point - Prevelo cranks will help make small riders more comfortable and efficient on their bike.Confidence Inspiring Geometry - The Alpha Four features Prevelo's signature confidence inspiring geometry. Prevelo geometry utilizes a low bottom bracket that lowers the centre of gravity of the bike and rider, making for a more agile and confident ride.9 Speed Microshift Drivetrain with Wide Span Gearing - 9-speed Microshift drive train and 11-36T wide range gearing is the real deal and gives growing riders truly usable and class leading, 327% gear range. Kids are going to be efficient on the flats and have the leverage of low gears available to help make it up tough hills.Kid Optimised Cockpit - This is where little riders command their steed. It's decked out with ultra thin grips and short reach brake levers that are optimized for small hands. The Microshift shifter is operated with two easy to operate thumb levers.Specifications:Weight (including pedals): 21.2lbs / 9.6kgMinimum Saddle Height: 25.8in / 655mmMaximum Saddle Height: 31.2in / 792mmBottom Bracket Height: 9.9in / 252mmGain Ratio: 1.9 - 6.8Stand over (ground to top of top tube): 22in / 558.8mmSize Chart:
Ready for training, this road bike powermeter is equipped with two high-quality carbon crank arms that ensure fantastic stiffness, durability and low weight as you aim to beat your personal performance goals. Quarq has also designed this chassis-only version for compatibility with Shimano Dura-Ace R9100 or Ultegra R8000 chainrings for excellent power delivery and precision on your ride. Thanks to its spider powermeter, this model provides riders with accuracy within 1.5%, measuring both legs for reliable, accurate power analysis. Another highlight is it comes complete with many of Quarq's renowned technologies such as MagicZero, AxCad and OmniCal as well as 10K Temperature Compensation and an IPX7 waterproof rating for reliability and consistency in any weather conditions. Bluetooth and ANT+ Compatible Your riding and training efforts deserve power measurement that reaches the highest standards of accuracy to help you reach personal records. Because without accurate data, you can’t know if you are making the progress you’re aiming for. With Quarq’s DFour power measurement technology that uses Bluetooth and ANT+ connectivity, you’ll have the technology to get real results. Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The Quarq DFour DUB Power Meter is paired with the Quarq DUB Crankarms to pair with your Dura-Ace R9100 or Ultegra R8000 chainrings. A SRAM DUB Bottom Bracket will be required for installation (available separately). Additional Item Top Features: Connectivity: Bluetooth or ANT+ Battery: CR2032 Battery Life: 200-hour battery life, change without tools Waterproof Rating: IPX7 Accuracy: Within 1.5%, measuring both legs Compatible Chainrings: Shimano Dura-Ace R9100 or Ultegra R8000 road chainrings Chainrings Included: No Technologies: DUB: The relationship between bottom bracket spindle and bearing is the core of DUB technology. It’s where stiffness meets durability. Quarq took it a step beyond conventional thinking and made everything simpler—better integrating the relationship between chainring, crank, spindle and bottom bracket. It’s this approach to developing a complete system that equals better drivetrain performance. Connectivity: Bluetooth low energy technology and ANT+ wireless data transfer. MagicZero: Automatically checks and recalibrates your power meter as you ride – no need to manually calibrate. AxCad: No cadence magnet required. Battery: CR2032, 200-hour battery life, change without tools. OmniCal: Swap chainrings without affecting accuracy. Accuracy: Within 1.5%, measuring both legs. 10K Temperature Compensation. IPX7 waterproof rating. Manufacturer's Part Number: 00.3018.292.170 Black 170mm 00.3018.292.172 Black 172.5mm 00.3018.292.175 Black 175mm
Quarq DFOUR Road Power Meter ChassisThis road bike powermeter features two high-quality carbon crank arms that ensure fantastic stiffness, durability and low weight as you smash your personal performance goals. Quarq has also designed this chassis-only version for compatibility with Shimano Dura-Ace R9100 or Ultegra R8000 chainrings for excellent power delivery and precision on your ride. Thanks to its spider powermeter, this model provides riders with accuracy within 1.5%, measuring both legs for reliable, accurate power analysis. Another highlight is it comes complete with many of Quarq's renowned technologies such as MagicZero, AxCad and OmniCal as well as 10K Temperature Compensation and an IPX7 waterproof rating for reliability and consistency in any weather conditions.Bluetooth and ANT+ CompatibleYour riding and training efforts deserve power measurement that reaches the highest standards of accuracy to help you reach personal records. Because without accurate data, you can't know if you are making the progress you're aiming for. With Quarq's DFour power measurement technology that uses Bluetooth and ANT+ connectivity, you'll have the technology to get real results. Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The Quarq DFour DUB Power Meter is paired with the Quarq DUB Crankarms to pair with your Dura-Ace R9100 or Ultegra R8000 chainrings. A SRAM DUB Bottom Bracket will be required for installation (available separately). Features: Crank Arm Material: Carbon Use: Road Power Meter Type: Spider BCD: 110 Speed: 11 speed BB Spindle Interface: DUB BB Compatibility: All SRAM Road DUB bottom brackets Bottom Bracket Included: No, available separately Guard: No guard Connectivity: Bluetooth or ANT+ Battery: CR2032 Battery Life: 200-hour battery life, change without tools Waterproof Rating: IPX7 Accuracy: Within 1.5%, measuring both legs Compatible Chainrings: Shimano Dura-Ace R9100 or Ultegra R8000 road chainrings Chainrings Included: NoTechnologies: DUB: The relationship between bottom bracket spindle and bearing is the core of DUB technology. It's where stiffness meets durability. Quarq took it a step beyond conventional thinking and made everything simpler—better integrating the relationship between chainring, crank, spindle and bottom bracket. It's this approach to developing a complete system that equals better drivetrain performance. Connectivity: Bluetooth low energy technology and ANT+ wireless data transfer. MagicZero: Automatically checks and recalibrates your power meter as you ride - no need to manually calibrate. AxCad: No cadence magnet required. Battery: CR2032, 200-hour battery life, change without tools. OmniCal: Swap chainrings without affecting accuracy. Accuracy: Within 1.5%, measuring both legs. 10K Temperature Compensation. IPX7 waterproof rating.Manufacturer's Part Numbers: 00.3018.292.170 Black 170mm 00.3018.292.172 Black 172.5mm 00.3018.292.175 Black 175mm Buy Quarq Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The Quarq DFour DUB Power Meter is paired with the Quarq DUB Crankarms to pair with your Dura-Ace R9100 or Ultegra R8000 chainrings. A SRAM DUB Bottom Bracket will be required for installation.Key Features:Bluetooth low energy technology and ANT+ wireless data transfer,MagicZero - automatically checks and recalibrates your power meter as you ride – no need to manually calibrate,AxCad -- no cadence magnet required,10K Temperature CompensationBattery -- CR2032, 200-hour battery life, change without tools,OmniCal -- swap chainrings without affecting accuracy,IPX7 waterproof rating,Accuracy -- within 1.5%, measuring both legs.,.Specifications:Speeds: 11,Crank arm length: 170mm,BB Compatibility: All SRAM Road DUB BBs,Chainring Size: n/a,Bolt Circle Diameter (BCD): 110 BCD,Chainline: n/a,BB Spindle Interface: DUB,Chainring material: n/a,Guard: No Guard,Crank arm material: Carbon,Color (Crank arm): Natural carbon,Power Meter Type: Spider.
Every innovation in Quarq’s next-generation DZero platform is channeled into DFour. It embodies 10 years of Quarq technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app and compatibility with BB30 bottom brackets. Quarq power meters use their patented direct-force technology to precisely measure your physical performance throughout your ride. Their meter is located in the crankset, the heart of the bicycle, and because it gathers data from both legs, and it's located at the precise point where muscle energy is converted to forward movement, the power meter spider is the most accurate place to gather power data. 10K Temperature Compensation Eliminates variables caused by heat and cold to provide an unwavering record of your performance through all conditions. Built to Last An IPX7 waterproof rating, an easy-to replace CR2032 battery, a 2-year warranty, free firmware updates and acclaimed worldwide support. Easy to Use Manual and automatic zeroing make Quarq power meters truly set and forget. The chainrings are replaceable should your bike, discipline or ability change. Qalvin BLE with Bluetooth For iOS and Android. With any phone you can set zero offset, check battery, run diagnostics and update firmware. Free. Other Features DFour also features OmniCal (change chainrings without affecting accuracy) and AxCad (accelerometer cadence – no magnet).
Every innovation in Quarq’s next-generation DZero platform is channeled into DFour. It embodies 10 years of Quarq technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer, the new Qalvin BLE app and compatibility with BB386EVO bottom brackets.Designed for Dura-Ace 9000 chainrings. Compatible with Ultegra 6800 and 105 5800 chainrings..Must be paired with a compatible SRAM bottom bracket..ELSA RS power meter owners can upgrade using the DFour Power Meter Spider..Free firmware upgrades with the Qalvin app..BB30 versions ship with the spacers and wave washer required for BB386EVO installation..Key Features:Bluetooth low energy technology and ANT+ wireless data transfer..AxCad - no magnet..10K Temperature Compensation..Battery - CR2032, 200-hour battery life, change without tools..OmniCal - swap chainrings without affecting accuracy..2-year warranty..IPX7 waterproof rating..Accuracy - within 1.5%, measuring both legs..Specifications:Material - CNC Machined Aluminum Spider, Exogram™ Carbon Crank Arms.Accuracy - 1.5%.Bolt Circle Diameter - 110 Asymmetric BCD.Arm Lengths - 162.5mm, 165mm, 170mm, 172.5mm, 175mm, 177.5mm.Q-Factor - 145mm.Bottom Bracket - GXP, Press Fit GXP, BB30, Press Fit 30, BBright, BB386EVO, BB30A, PF30A.Wireless Technology - ANT+, Bluetooth low energy technology.Battery - CR2032, 200 hours of riding time.Weight - 588g.Head Unit - ANT+™ and Bluetooth® low energy technology compatible head units (available separately).Analysis Software - TrainingPeaks WKO4®, TrainingPeaks®, Today's Plan, Golden Cheetah, Strava® and others (available separately).Compatibility - Shimano® 11-speed chainrings (except for R9100). Designed for Dura-Ace® 9000. Compatible with Ultegra® 6800 and 105® 5800..
Every innovation in Quarq’s next-generation DZero platform is channeled into DFour. It embodies 10 years of Quarq technology advances with new features such as dual Bluetooth low energy and ANT+ wireless data transfer the new Qalvin BLE app and compatibility with BB386EVO bottom brackets.
Whether it's tearing around an XCO track or setting your personal best up a local hill, the Twostroke has you covered.Designed to take you far.A refined aluminium frame that takes ist heritage from the race proven Fourstroke and crosses it with a fighter jet inspired design, to create the perfect blend of performance, functionality and aesthethics.
A unique balance of stiffness, weight and compliance, enhanced by advanced aerodynamic design. Every component is integrated for a lightweight and compatible high-performance aero package with clean aesthetics.Lightweight, supremely stiff frame with race-tuned compliance and aerodynamically reshaped fork profile for high technical proficiency with minimalist design.
10 years ago, we launched a bike that kickstarted a revolution in the design and construction of the performance road bike. The Teammachine SLR, has won every major title that a bike can win including; Monuments, World Championships, Olympic Games and the Tour de France.Using the combined knowledge from the past decade, we've changed the game again to deliver an all-new, class-leading frameset ready to lead for another 10 years.
The BMC Teammachine SLR01 Four is a unique balance of stiffness, weight and compliance, enhanced by advanced aerodynamic design. Every component is integrated for a lightweight and compatible high-performance aero package with clean aesthetics.Lightweight, supremely stiff frame with race-tuned compliance and aerodynamically reshaped fork profile for high technical proficiency with minimalist design.Key Features:Premium Carbon with Aerocore Design race frame,Premium Carbon bolt through aero forks,Powerful SRAM FORCE eTap AXS HRD disc brakes,SRAM FORCE eTap AXS wireless 2x12 groupset,Colour: Acid Yellow & Carbon,Sizes:47cm, 51cm, 54cm, 56cm, 58cm, 61cm,The BMC Teammachine SLR01 Four is available with 0% APR finance,.The original Teammachine SLR01 created the blueprint for the modern road bike. After more than a decade of obsessive innovation and development, today’s world-beating Teammachine SLR01 still leads where others follow. Its TCC Race-engineered Premium Carbon frame includes the Aerocore Design system, ICS Technology and Stealth Cable Routing. An ICS2 stem and conventional bar, plus SRAM Force eTap AXS 12-speed wireless groupset and 35mm CRD-351 SL Carbon tubeless ready wheels complete a strong specification.All Tredz bikes are:Fully built & ready to ride,Fully checked & tested by Cytech qualified mechanics,Available with 0% APR finance on any basket over £99,UK price match guarantee,365 day no hassle returns,Free delivery in the UK Mainland on a date that suits you,.In the box with every Tredz bike is:Free Tredz 9 key trail tool,Free Tredz pedal spanner,Free basic pedals,Tredz drawstring kit bag,16 point quality control check sheet,Basic bike setup instructions,Free Cycle Plan insurance voucher (8 weeks),.
The extraordinarily capable Roadmachine 01 combines relentless speed with indulgent comfort, so you can go further, faster. Its Premium Carbon frame and fork were designed using TCC Endurance technology, and feature ICS technology, Stealth Cable Routing and a Premium Carbon D-Shape seatpost. This model’s SRAM Force eTap AXS 12-speed groupset is very low geared for steep climbs, with 35mm CRD-321 tubeless ready wheels for reliable efficiency, and an ICS2 stem with aluminium bar for control.