DJC Stone Track Bike Chainring Fixie 144BCD 1/2 1/8" Fixed Gear 50 51 52 53 54 56 58 60 Tooth (57T)

Description

• FIXED GEAR Bike, 1/2" x 1/8" CHAIN - fit for 1x track bike, fixie ,BMX , 144mm BCD
• Alu7075 from USA, HIGH STIFFNESS - High precision CNC machined 7075 T651 Aluminum supplied by USA Aleris / Alcoa. Long-lasting lifespan. HB150 excellent stiffness, 4mm thickness, anodized black
• LIGHTWEIGHT - Lightweight with inner side cut off but stiffness design, 42T 77g(2.72oz),50T 133g(4.69oz),55T 155g(5.47oz),60T 188g(6.63oz),65T 262g(9.24oz),68T 295g(10.41oz)
• Chose by lots of professional track riders in EU and USA, lifespan 20,000 km(12,427 miles)
• Package Content - Chainring Comes with 5 Cr-Mo alloy high strength steel bolts

Stone Track Chainring 144BCD 1/8" Fixie Single Speed BMX 42 - 70T

This is a lightweight but stiffness 1x chainring works for 144mm BCD fixie and BMX bikes, ordinary tooth 1/2"-1/8". CNC processed with black anodized surface treatment. Alu7075 supplied by USA company Aleris and Aloca, inner side cutted to ensure lightweight and stiffness.
Optimized tooth design. Low noise and self clean.

FEATURES FIXED GEAR Bike, 1/2" x 1/8" CHAIN - fit for 1x track bike, fixie ,BMX , 144mm BCD Alu7075 from USA, HIGH STIFFNESS - High precision CNC machined 7075 T651 Aluminum supplied by USA Aleris / Alcoa. Long-lasting lifespan. HB150 excellent stiffness, 4mm thickness, anodized black LIGHTWEIGHT - Lightweight with inner side cut off but stiffness design, 42T 77g(2.72oz),50T 133g(4.69oz),55T 155g(5.47oz),60T 188g(6.63oz),65T 262g(9.24oz),68T 295g(10.41oz) Chose by lots of professional track riders in EU and USA, lifespan 20,000 km(12,427 miles) Package Content - Chainring Comes with 5 Cr-Mo alloy high strength steel bolts

ABOUT
Stone Design Workshop focus to offer high quality and innovated design CNC processed chainrings to clients in worldwide, especially favored by EU race teams. Provides customize rings on tooth quantity and style as well as add team logos or name base on Stone logo.
Material is basic of everything, Aluminum 7075 T651 supplied by Aleris and Alcoa USA, which is top aluminum supplier in world wide, Aleris is supplier to many aircraft make.
CNC machine is high process precision upto 0.03mm.
We are not only a factory, we are a chainring designer with state-of-the-art innovatitive design. Wish to offer customers stiffness, light weight, low noisy, drop-stop and durable chainrings.

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