Carbon Rims/Wheels Test
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LightCarbon Ultra Light And Stiff Road Disc Brake Carbon Wheels With Carbon Spokes - C68DB ceramic bearings hubs, 36T Ratchet, straight pull - Full carbon spokes, aero, light and stiff - 28mm outer width (21mm inner width) carbon rims - Shimano 11/12s HG or Sram 12s XDR cassette body - 2 years quality warranty more
LightCarbon 700C Disc Brake Gravel Carbon Fork Aero Gravel Bike Fork - Made of Toray T700 carbon fiber - M12*100mm thru-axle dropout - Designed with fender mount - With side 3-rivet and No rivet optional - Fit 700*50C or 650B*1.95'' max tire - 2 years quality warranty more
LightCarbon Non-Paint Road Disc Wheels Super Light Full Carbon Spoke Wheels Anti-Scratch - 45-50mm & 60-65mm undulating rim depth - 3.1mm & 5.5mm carbon spoke width optional - Non-Paint & Pearl White appearances optional - Ceramic bearings C67DB hubs, 36T Ratchet - Tubeless compatible, fit 700*28C-45C tire - 2 years' quality warranty more
LightCarbon Gravel E-Bike Carbon Frame With Micro Suspension And Integrated Handlebar - Electric gravel bike carbon frameset - With Micro Suspension system - Suitable Motor: Bafang M820, 36V/250W -Suitable Battery: Bafang BT F100 (36V:10Ah, 360Wh) - Max tire clearance 700C*47C - Front M12x100/Rear M12x142mm dropout - UDH rear derailleur hanger more
LightCarbon Butterfly Weave C68DB Ultra Light Road Disc Full Carbon Spoke Wheelset - Buit with unique butterfly weave carbon rims - 28mm outer width (21mm inner width) - C68DB ceramic bearings hub, Rachet 36T structure - LC CS1 full carbon spokes, super light, stiff and aero - Shimano 11/12s or Sram 12s XDR cassette body - 2 years' quality warranty more
Super Light Carbon Road Integrated Aero Handlebar - Super Aero design integrated bar-stem - Made of Toray T1000 carbon fiber, super light and stiff - Compatible for both full internal and semi-internal cable routing - Designed with carbon cycling computer holder - 2 years’ warranty more
LightCarbon Gravel Frameset With Micro Suspension Downtube Storage Plus Stem - With Micro Suspension system - UDH rear derailleur hanger - 31.6mm seat post (dropper post compatible) - Flat mount disc front 140mm/160mm, rear 160mm - Full internal cable routing with stem - Front M12x100/Rear M12x142mm dropout - Bottom bracket T47*P1.0 (85.5mm) - Max tire clearance 700C*47C or 650B*1.95'' more
Impact Test
Impact Test For LightCarbon Rims
Carbon wheel impact testing is conducted to evaluate the ability of carbon wheels to withstand impacts and ensure that they are safe and durable for use in cycling.
One common type of impact test for carbon wheels is the drop test. This involves dropping a weight onto the wheel from a specified height to simulate a real-world impact. The height and weight of the drop can vary depending on the specific standards being used.
The results of carbon wheel impact testing can help manufacturers identify potential weaknesses in their designs and make necessary improvements to enhance their strength and durability. It can also help ensure that carbon wheels meet industry standards for safety and durability.
Overall, carbon wheel impact testing is an important part of evaluating the safety and performance of carbon wheels and ensuring that they are safe and durable for use in cycling.
Below are two example cases of a impact test on LightCarbon road carbon rim RD28-44C and MTB carbon rim UAD935GP-XC:
Xiamen LightCarbon Composite Technology Co., Ltd.
Road Carbon Rim Impact Test Report
Rim Model：
RD28-44C
Test Item：
Impact Test
Test Date：
2022/9/5
Weight：
430g
Striker Weight：
10kg
Quantity：
1PCS
Striker Height:
400mm
Hole：
24H
Test Condition：
1.Vertical drop (neutralization of the rebound of the anvil).
2.Tested wheel without tire.
3.Energy level: 40 Joules.
4.Impact striker geometry: Flat steel anvil.
5.Impact mass: Range of 6 -10kg. Energy must always remain at 40 Joules hit with a +/- 5% tolerance.
6.Hitting point:One hit at 90°from valve hole, adjusted to have the point between the spokes.
Test Standard：
There should be no crack after 40J impact testing.
Test Result：
original radial profile
after impact
deformed
0.13mm
0.15mm
0.02mm
0.15mm
0.19mm
0.04mm
After 40J impacting,radial deformation≤1mm,lateral deformation≤1mm
Photo Of Test:
Final Judgment:
Qulified (Pass)
Xiamen LightCarbon Composite Technology Co., Ltd.
MTB Carbon Rim Impact Test Report
Rim Model：
UAD935GP-XC
Test Item：
Impact Test
Test Date：
2022/9/5
Weight：
320g
Striker Weight：
22.5KG
Quantity：
1PCS
Stack number：
D1L21
Hole：
28H
Test Condition：
1.Striker weight: 22.5kg;
2.Striker shape: cylindrical, flat bottom;
3.No tire test;
4.After the wheel set is fixed, raise the striker to 48J(height 217mm), release the striker, and make it fall freely to the outer circle of the wheel rim, and observe whether the wheel rim cracks or breaks. If there is no crack or fracture, increase the height successively and continue to test until the crack or fracture appears.
Test Standard：
There should be no crack after 60J impact testing.
Test Result：
NO.
Joule (height)
After Impact
Comment
1
48J（217mm）
Normal
OK
2
60J（272mm）
Normal
OK
3
70J（317mm）
Normal
OK
4
80J（363mm）
Breakage
NG
Photo Of Test:
Final Judgment:
Qulified (Pass)
UCI Impact Test Video Of LightCarbon Road Wheel
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