BSC Tools ERD Rim Rods ERDT

- ERD Rim Rods to calculate ERD (Effective Rim Diameter)\n- 700mm (2 x 350mm rods), one plain rod, one with ruler markings from 700mm down to 400mm). Suitable for 700c, 650c wheels\n- No calculation required, just read off the ruler scale where the rods overlap\n- Suitable to measure straight for ERD on offset rims\n- Stainless steel for minimal rod flex and long life\n- Chamfered rod end for good fit into nipple eyelet\n- Includes two clips supplied so you can secure the rods together - you can measure the overlap manually if it does happen to be longer than the marked ruler\n- BSC Tools are priced to be used as shop tools, not for resale