All Reviews

The THINKRIDER PP5 is a dual-sided power meter spider with Easton interface, available as standalone unit or bundled with carbon or aluminum cranksets. Users report prices ranging from $80-290 USD/EUR depending on configuration and sales. The carbon crank version weighs 486g and features a titanium DUB spindle, while aluminum versions have steel spindles. The power meter claims ±1% accuracy with 300-hour battery life and uses ANT+/Bluetooth connectivity. It requires the ThinkRider Tools app for firmware updates and calibration. Compatibility issues exist with some Easton interface cranks due to design constraints.

The Flyxii FE-02 is a budget-friendly carbon gravel frameset purchased primarily through AliExpress, with prices ranging from $300-$483 shipped. It features a BSA bottom bracket, standard cable routing (not proprietary), and comes with frame, fork, axles, headset, spare hanger, and seatpost clamp. Users report it accommodates tires up to 700x50mm (approximately 52mm measured) or 650b x 54mm, with toe overlap noted as an issue especially with larger tires and 175mm cranks. The frame is described as durable and stable for gravel riding, though some note rear flex when pedaling out of the saddle. Builds commonly use components like LTwoo GR9 groupsets, Senicx cranksets, and various carbon parts from brands like Toseek and ZNIINO.

The iGPSport BiNavi is a cycling computer with mixed reviews. Users praise its hardware: large readable screen, responsive touch interface, fast GPS lock, and good battery life (around 20-35 hours). It's lightweight and has a user-friendly UI. However, significant software issues exist, particularly with ANT+ integration: 'sticky watts' (power readings persist after stopping pedaling), inability to show battery status for third-party ANT+ sensors, and poor compatibility with some devices like Magene lights. Other drawbacks include no Strava Live Segments, unreliable phone app connection, and limited Di2 integration. Many users feel it's not yet ready to compete with Garmin or Wahoo, despite its attractive form factor and lower price.

The HYGGE Aerodynamic carbon frame MODEL S is a budget-friendly Chinese carbon frameset, typically priced around $550-600 USD with shipping. It includes a frame, fork, integrated handlebar, and seatpost. The frame is made of carbon fiber, with newer EPS-molded versions offering smoother internal surfaces. Typical frame weight is around 963-1060g (size dependent), fork 349-386g, seatpost 133-200g, and handlebar 328-350g. It uses a BSA threaded bottom bracket, flat mount disc brakes, and has a proprietary seatpost design. The frame is generally described as stiff with good power transfer, though some note flex in the fork and rear triangle. Tire clearance is limited, with 28mm tires often measuring 30-32mm, and 32mm being the absolute maximum, especially in the front. Common issues include headset play (with some users reporting gaps between the headset cap and frame), seatpost slipping (improved with newer clamps), and quality control inconsistencies like paint defects, rough internal edges, and subpar hardware. Some shipments may arrive missing parts such as thru axles, requiring follow-up with customer service. Customer service and warranty support are mixed, with some reporting difficulties in getting issues resolved. Despite these issues, users praise its value and performance, noting it is fast in aero positions and efficient on flat terrain.

The XM Carbon Speed XMCS Gran Turismo frameset is an aero road bike with endurance geometry, featuring high stack and low reach for a comfortable yet aerodynamic riding position. It uses T800 carbon fiber with T47 bottom bracket (T47i internal preferred for stiffness/aero), UDH hanger, and internal cable routing. The frame is praised for its build quality, smooth ride comfort, and stable handling due to long chainstays (422mm). Price ranges from ~$1009 (unpainted) to ~$1350 (painted with handlebar). Weight is approximately 997g for frame (size 56, raw carbon) and 383g for fork. Paint jobs are available but decals (especially "Revenger") are controversial; newer frames may have fewer mandatory decals. Some early units had seatpost tolerance issues (sticking), but manufacturer states these are resolved in later production.

The TanTan TT912 is a UCI-certified carbon fiber time trial/triathlon frame, described as a 2019/2020 disc-brake revision of an older rim-brake design with modern fat-tube aesthetics. Users report it's a cost-effective alternative to expensive brands like Canyon Speedmax or Cervelo P-Series, especially for self-builds. Key attributes include: price varies based on configuration (custom paint jobs cost extra, e.g., USD 280), frame weight around 1.6 kg (with accessories), total build weight approximately 10.3 kg with mechanical components, material is carbon fiber, standards include BB386-24 bottom bracket, SRAM UDH-style derailleur hanger, and clearance for up to 32 mm tires. It features storage options like a top-tube bento box mount and internal triangle storage, but quality control issues are common.

The Twitter G2 is an affordable aluminum gravel/endurance frameset sold primarily on AliExpress, featuring modern standards like UDH, threaded BSA bottom bracket, internal cable routing, and a round seat tube for 2x compatibility. Users report it as a budget-friendly option for commuting, gravel riding, and winter bikes, with typical prices ranging from $140-300+ depending on sales and customs. Key attributes include an approximate frame weight of 1.53-1.62kg (size L), fork weight around 420-440g, aluminum construction, 27.2mm seatpost diameter, and tire clearance for up to 45mm tires. Quality and included components vary between orders, with some users receiving frames without headsets, seatpost clamps, or front derailleur cable stops.

The Airwolf YFR068 is a carbon gravel frame, often described as a clone of the Cervelo Aspero 5, sold primarily via Aliexpress. It features a D-shaped steerer tube for fully internal cable routing, a BBright bottom bracket, and a flip-chip fork. Typical attributes include a frame weight around 1149g (painted 54cm), fork weight around 446g, and a carbon construction. It comes as a frameset including handlebar, stem, seatpost, headset, thru-axles, and a bottom bracket. The geometry matches the Aspero across sizes (48, 51, 54, 56, 58cm). Tyre clearance is officially stated as 700x40c but users report it can accommodate up to 45-48mm tyres, similar to the Aspero. The frame lacks fender mounts and extensive bikepacking mounts, positioning it as a race-focused gravel bike. Custom paint options are available, though quality control and communication with the seller (Airwolf) are frequently cited as inconsistent.

The Velobuild VB-TT-023 is a Chinese carbon fiber time trial/triathlon frameset with a T47 bottom bracket (86.5mm shell width) and disc brake compatibility. It is often compared to the Trek Speed Concept in geometry. The frame is praised for being stiff, fast, and offering good value. The stock cockpit includes a basebar, stem, and aerobar extensions (described as a copy of Vision TFE), with adjustable stack via included spacers (5mm, 10mm, 20mm). Builds typically weigh around 20-21 lbs (9-9.5 kg). Common builds use SRAM AXS groupsets with wireless blips and hydraulic brakes like RideRever Triva. Users note the frame is well-packaged and shipping is often quick (e.g., 3-4 weeks to US/UK). However, the stock stem and cockpit have been sources of issues, leading many to upgrade to aftermarket options like TriRig Alpha One or Winow extensions. Velobuild now offers an updated alloy stem that reportedly solves handlebar flex. Other issues include seatpost slippage (one case of getting stuck), thru axle compatibility concerns (M12x1.5 vs UDH M12x1.0), and the need for longer stem screws to prevent tilting. Users have also shared solutions for Garmin mounting using 3D-printed parts and for using the Winow HB052 aerobar upside down to improve fit.

The ThinkRider X2 Smart Bike Trainer is a budget-friendly indoor cycling trainer that offers good value for money, with users reporting it outperforms older models like Elite Suitos/Turno and first-gen Wahoo Kickr. Prices range from $235-280 USD in the US and €270-400 in Europe, with significant regional variations. The trainer features solid metal construction with a base attached by four screws, though some note the power supply feels cheap. It includes necessary adapters for through axle and quick release setups (supporting 135mm, 142mm, and 148mm rear axles) and is compatible with Shimano/SRAM 8-11s cassettes (with XDR/CP Freehub optional). Connectivity includes ANT+ and Bluetooth, working with apps like Zwift, MyWhoosh, PowerFun, and Rouvy. Performance is generally comparable to more expensive models, with smooth ERG mode, fast resistance adjustments, and quiet operation. However, some users report the X2 leans slightly more than other trainers and may have power accuracy variations, with the X2Max model consistently reading about 10% higher than dedicated power meters like the Magene PES-P515. Recent firmware updates have introduced intermittent resistance spikes in ERG mode. The virtual cassette accessory works well with Zwift after pairing, though gear ratios may be insufficient for some users, and its buttons are criticized as mushy with poor tactile feedback. The trainer can operate without AC power, and free app alternatives like CycleGo and QZ App are available for devices without Google Play Store.

The Velobuild 2026 VB-R-368 AeroTrace Frame is a Chinese direct-to-consumer aero road bike frame characterized by its deep, chunky tube profiles, aggressive geometry, and TT-like aesthetic. It uses T800 carbon fiber, with a quoted frame weight of around 1100g for a medium size, though actual user reports show weights significantly higher, often 1300-1500g depending on size and finish. It features a T47 bottom bracket, UDH (Universal Derailleur Hanger) standard, and clearance for up to 32c tires. The geometry is described as progressive, with a steep seat tube angle and long reach in larger sizes, aiming for a forward, aero riding position. The frame includes a proprietary headset system that requires specific spacers or 3D-printed adapters for most cockpits, and it comes with a thick, TT-style seatpost with an adjustable fore/aft clamp.

The Spcycle R088 is a lightweight carbon road bike frame, often described as an SL8 clone, available in various paint finishes including raw UD carbon, metallic colors, and custom options. Typical frame weights range from 780g (unpainted) to over 900g (painted), with a 52cm raw glossy frame reported at 790g and a 56cm chameleon painted frame at 904g. Recent builds show a 54cm metallic frame at 870g and a 58cm naked matte frame at 915g. The frame uses a BSA threaded bottom bracket, flat mount disc brakes (compatible with 140mm or 160mm rotors, requiring an adapter for 160mm rear), and features a UDH (Universal Derailleur Hanger). It includes a D-shaped seatpost (available in 0mm or 15mm offset options) and is designed for internal cable routing, supporting both electronic and mechanical groupsets, with a front derailleur braze-on mount. Builders note it offers good value, with complete builds often weighing around 7-7.5kg and costing under €1,500-2,000. Recent feedback highlights that the stock seatpost clamp can become stuck, requiring a mallet for adjustments, but it ensures secure saddle retention without slipping. Some users report a wobbly or flexy feeling from the handlebar area, similar to GCN's findings, but many find it does not affect actual riding stability. Tire clearance is confirmed to fit Continental GP5000 tires in 30mm and 32mm widths, with one user fitting a 35.5mm wam rear tire with minimal clearance. A recurring issue is a rhythmic knocking sound while seated and pedaling, which can stem from crankset play, loose thru-axles, battery movement in the seat tube, or the seatpost clamp, often resolved by tightening components or applying grease. The frame is commonly purchased through Aliexpress or direct seller contact, with users reporting good communication and after-sales service. Some builders recommend replacing the stock seatpost wedge and cover with SL8-compatible parts for better fit and finish.

The iGPSport SR mini is a compact radar tail light that users report performs well compared to competitors like Magene L508 and Garmin Varia. It retails around $79-99, weighs 49g with a 28g mount, and features improved detection algorithms with minimal false positives. Battery life is estimated at 8.5-15 hours depending on light usage. The device connects to cycling computers via ANT+ and includes multiple bright light modes with a saddle rail mount.

The Lightcarbon LCG074-D is a gravel frameset featuring a micro-suspension pivot design that allows flex in the seat tube and top tube for improved comfort. It comes in sizes 49/52/55/58cm with integrated handlebar options (400-440mm widths) or stem-only versions. The frame supports max tire sizes of 700x50C or 650Bx2.1'' and uses T47 bottom bracket standards. Pricing starts around $823 including shipping to some regions, with custom paint jobs available for additional cost ($120-180). The pivot uses bearings rather than bushings or elastomers. Recent user feedback indicates generally positive experiences with ride quality and aesthetics, though some report the frame can feel too soft at high speeds and lacks damping on rough descents. Assembly issues include occasional loose headset bearings that require adjustment and potential seatpost fit problems with tolerances up to 1mm gap, though LightCarbon provides replacement parts to resolve these. Users note that 50mm tires may rub against the frame near the rear suspension in muddy conditions. The frame typically comes with fork, spacer, stem, and seatpost, with custom colors like LCB-08HS Chameleon Green available.

The Lightcarbon LCR018-D is an aero-endurance/all-road carbon frameset with integrated handlebar (HBR17), available in multiple sizes (47-58) and customizable paint options. It features a T47 bottom bracket, proprietary seatpost (0mm or 15mm offset), internal cable routing, and an optional downtube storage compartment. Key attributes include a frame weight around 960-1200g (size-dependent, without storage), fork ~420-460g, and total build weights typically 7.5-8.5kg. It supports wide tire clearance (officially 38mm, but users fit up to 40-45mm depending on rim width; 38mm recommended for safe clearance with 25mm internal rims). The frame is compatible with both electronic and mechanical groupsets, though mechanical routing is challenging. The geometry is endurance-oriented, similar to Santa Cruz Stigmata, Cannondale Synapse, and Cervelo Caledonia. Pricing starts around $649-$699 for the frame (as of early 2026, with recent increases), plus paint ($100-$200+ depending on finish) and shipping ($150-$250+). Recent forum discussions highlight ongoing issues with brake mount alignment requiring sanding or scraping, headset play that may need shimming, and significant shipping delays (often 2-4 months) exacerbated by handlebar shortages and poor proactive communication. Positive ride reports praise comfort, speed, and value, with many users preferring it over more expensive bikes. Lightcarbon has released an updated downtube storage door (v2) with a locking lip to prevent rattling, and offers top tube mounting points as an option. The company's customer service is generally responsive, with free replacements for defective parts. Headset bearing replacement with stainless steel or marine grease is recommended for wet conditions. The correct cockpit tightening order is expander plug, top cap, then handlebar pinch bolts.