NTN 6903Llu-2Rs (Contact Seal Type) (61903) Chrome Steel Size:17 X 30 X 7 mm LIGHTWEIGHT AND DURABLE CONSTRUCTION: Weighing

LIGHTWEIGHT AND DURABLE CONSTRUCTION: Weighing only 65g per set (including hardware)

Black anodized finish for clean looks

Compatibility: Zipp 303 Firecrest 650B

Designed for DIY enthusiasts and professional mechanics

more secure shifting

NTN 6903Llu-2Rs (Contact Seal Type) (61903) Chrome Steel Size:17 X 30 X 7 mm LIGHTWEIGHT AND DURABLE CONSTRUCTION: WeighingDimensions 17 x 30 x 7 NTN Corporation is one of the most prominent manufacturers of bearings in Japan, second domestically only to NSK Ltd. The company is one of the largest exporters worldwide of friction reducing products. Here at Aire Velo Bearing we would consider NTN to be highest tier in quality and performance. Available with either LLU seals (full contact) or LLB seals (non contact) Our range of NTN bearings are sourced from NTN SNR in the UK