STONE Bike Chainring Spider for 107BCD Double Chainring FORCE RIVAL AXS Flattop ROTOR Aldhu EC90 Easton RaceFace 8 pins 3 Bolts GXP AXS Flattop T-type 8 bolts pins XPLR 12s 13s

STONE chainring spider for 107BCD double chainring FORCE RIVAL axs flattop ROTOR aldhu ec90 easton 8 pins 3 pins GXP

Four Interface Options Available

To ensure correct fitment, this product is offered in 4 interface versions:

1. SRAM 3-Bolt Interface (Fit for SRAM road cranks with GXP / BB30 / PF30 spindles)

Compatible with:

• SRAM FORCE 11-Speed

• SRAM FORCE 22

• SRAM RIVAL 11

• SRAM RIVAL 22
  XPLR 12s 13s
  

2. SRAM 8-Bolt Interface (AXS / Quarq)

Compatible with:

• SRAM FORCE AXS 12-Speed

• SRAM RED AXS 12-Speed

• SRAM RIVAL AXS

• QUARQ road power-meter cranksets

3. ROTOR Interface

Compatible with selected ROTOR road cranksets, including:

• KAPIC

• Hawk

• Raptor

• inPower / 2INpower (new versions)

Please match the ROTOR crank interface shape before ordering.

4. EASTON / RaceFace Interface

Compatible with:

• EASTON EC90 / EC90SL / RaceFace road cranksets

• XXE/GP3/Rockbros Road cranks using EASTON / RaceFace-style interfaces

• Road cranks using EASTON / RaceFace-style interfaces

Technical Specifications

• BCD: 107mm

• Thickness: 12mm

• Weight: Approx. 47–55g (depends on interface version)

• Material: CNC-machined 7075-T651 aluminum alloy

• Surface Finish: Anodized for corrosion resistance

Precision & Performance

• Chainring positioning tolerance: ±0.02mm

• Lateral runout after installation: ≤0.04mm

• Interface parallelism: ≤0.02mm
  
• Offset 0mm which is same to original parameter.

• High machining accuracy minimizes chainring wobble, improves front shifting performance, and reduces deformation under high pedaling load.

Important Notes

• ✔ Only compatible with BCD107 chainrings,Perfect to 107BCD chainrings, FORCE 107bcd chainring , RIVAL 107bcd chainring, and STONE 107bcd chainrings.

• ✔ Supports road double chainrings and narrow-wide single chainrings

• ❌ Not compatible with Shimano BCD110 systems

• ❌ Not compatible with Campagnolo crank interfaces

• ✔ Please check the backside of your crank to confirm the interface type before ordering