Title CR1 cranks are only compatible with Title CR1 spindles Axle width based on your frame&';s rear hub spacing, drivetrain standard, and required stay clearance 136mm Spindle:Chainline: 55mm, Q-Factor: 174.5mm, Arm Clearance: 73.25mm, Frame Fitment: Modern 29er Trail and Enduro frames with high tire clearance and wide stays. Standards: Matches SRAM Transmission (T-Type), SRAM DUB Wide, and Shimano M9120 / M8120 / M7120. Technical Note: Required for SRAM T-Type systems. Provides +3mm lateral arm clearance per side to clear flared or oversized chainstays. 136mm spindle = 107g TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Model CR1 Spindle Interface Title Length 136mm Chainline 55mm