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Frame

Yishun R086

CategoryFrame

The Yishun R086 (also sold as the Light Carbon R086D) is a carbon aero road frameset that both independent voices agree delivers excellent value, with a stiff yet compliant ride and geometry that suits aggressive, long-reach positions. Patrick Lino's long-term review and the Chinertown forum thread both praise its ride quality, handling and fit and finish for the price, while flagging the same practical concerns: seatpost slipping, an undersized BB86 shell, missing torque specs, and a lack of modern standards like UDH and T47. Buyers should budget for a careful build and expect to source their own torque values.

Pros

  • Excellent value: frameset around $850, complete builds near $3,000, and a 54cm package at USD735 delivered to the USA.12
  • Stiff yet compliant and agreeable ride over rough pavement, with no creaks or rattling.12
  • Long-reach geometry (402mm in size 54) allows a shorter stem and corners very well with good control.12
  • High-quality fit and finish from an established OEM supplier, with robust construction that resists crashes.12
  • Ride quality comparable to Western brand frames such as the Giant Propel.1
  • Available for direct B2C purchase from Yishun with responsive customer support and a Germany warehouse for Europe.2
  • Integrated handlebar, stem and internal cable routing included in the frameset price.1

Cons

  • Seatpost slipping reported by some users, persisting even after a replacement seatpost.2
  • BB86 shell undersized by 0.02mm versus Shimano spec, requiring facing/honing; rear caliper mounts also not perfectly faced.2
  • No torque specs supplied and the manufacturer could not provide them.2
  • Lacks modern standards such as UDH and T47 bottom bracket, a turnoff for some buyers.2
  • Solid carbon dropouts without metal reinforcement may wear over time and need careful maintenance.2
  • Quirky aesthetics: a visible gap between the front wheel and down tube, and the down-tube bottle cage mount sits higher than preferred.1
  • Availability can be limited and unclear; stock varies by size and may require waiting for a production run.12

Key Facts

  • Frameset price: $850 (Patrick Lino, paid himself); forum-reported 54cm package at USD610 plus USD90 shipping and 5% PayPal fee = USD735 to the USA, or €669 plus €50 shipping from the Germany warehouse (later quoted €900 with shipping).12
  • Complete bike weight 7.7 kg (size 56) built around a ~1,100g frame, ridden about 5,000 miles over almost two seasons.1
  • Geometry: size 56 has a 152mm stack/reach delta; size 54 has 402mm reach and 549mm stack — long and low, suited to riders needing aggressive positions.12
  • BB86 pressfit bottom bracket, but one user measured the shell undersized by 0.02mm versus Shimano spec, requiring facing/honing.12
  • Traditional circular seatpost clamp; some users report slipping even after a replacement seatpost, while others have no issue with carbon paste and correct torque.2
  • Solid reinforced carbon dropouts with no metal reinforcement; no UDH and no T47 bottom bracket standard.2
  • Supplied grommets suit hydro lines better than Di2 wires; the integrated handlebar is acceptable but some prefer Speeder bars; the stem front cap is aluminum, not carbon.2
  • No torque specs are supplied with the frame and the manufacturer was unable to provide them.2

Reviews & Ratings

Patrick Lino
15:46
Still The BEST Budget Bike - Light Carbon Yishun R086D Long Term Review

The reviewer provides a long-term update on the Yishun/Light Carbon R086D frameset after riding it for about 5,000 miles over nearly two seasons. He purchased it himself for around $850 and built a complete bike for about $3,000. He praises its geometry, fit and finish, robustness, and ride quality, comparing it favorably to Western brand frames like the Giant Propel. He notes a few cons such as aesthetics, bottle cage placement, and availability. Overall, he highly recommends the frame for those prioritizing performance and value over looks.

May 06, 2025Watch on YouTube
Yishun R068D

The Yishun R086 is an aero road frameset from Yishun Bike, a brand associated with LightCarbon. It is available in multiple sizes, with a 54cm frame priced at USD610 (including frame, fork, seatpost, clamp, integrated handlebar, headset, skewers, and stopwatch holder) plus USD90 shipping to the USA and a 5% PayPal fee, totaling USD735. In Europe, it is available from the Germany warehouse for €669 plus €50 shipping and PayPal fees, or €900 with shipping from Germany as of May 2024. The frame features a geometry with a stack/reach delta of 152mm in size 56, making it low and long, suitable for aggressive positions. It uses a traditional circular seatpost clamp. The frame is compatible with BB86 bottom brackets and mechanical or electronic shifting (though grommets are more suited for hydro lines). It has solid reinforced carbon dropouts. Riders appreciate its ride quality, comfort, and handling, but some have experienced seatpost slipping. The frame does not have UDH or T47 bottom bracket standards.

AI Summary

Pros

  • Good ride quality: comfortable, handles speed well, and corners nicely.
  • Geometry fits riders needing long reach and low stack (e.g., 400+ reach, 600+ stack).
  • Available for direct purchase (B2C) from Yishun, with responsive customer support.

more pros in the review

Cons

  • Seatpost slipping issue reported by some users, even after replacement.
  • Bottom bracket hole undersized by 0.02mm compared to Shimano BB86 spec, requiring facing/honing.
  • Rear caliper mounts not perfectly faced, though functional.

more cons in the review

Key Points

  • Price: USD610 for 54cm frame (frame, fork, seatpost, clamp, integrated handlebar, headset, skewers, stopwatch holder) plus USD90 shipping to USA and 5% PayPal fee = USD735 total.
  • Price in Europe: €669 from Germany warehouse plus €50 shipping and PayPal fees; later quoted €900 with shipping from Germany.
  • Geometry: Size 56 has 152mm stack/reach delta; size 54 has reach 402mm and stack 549mm.

more key points in the review

Purchase

Where to Buy

· yishunbike.com
View Deals

Specifications

Attributes

Frame TypeRoad
Frame MaterialCarbon
Brake MountFlat Mount Disc
Bottom BracketBB86 Press Fit
SeatpostProprietary
Front Axle12x100mm Thru-Axle
Rear Axle12x142mm Thru-Axle
Max Tire Width30 mm
Headset Type1.5" Straight (IS52/38.1 | IS52/40)
Shifting Support
Max Chainring Size53
UDH CompatibleNo
Includes CockpitYes

Included Components

Fork
Fork
485g
Seatpost
Seatpost
235g
Integrated Handlebar
Handlebar
400g
Headset
Headset
Total Weight1,120g

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